Change log

New features

• PowerPoint / WPS Presentation now support a Bilingual write-back mode: original slides are kept, and translations are written to the adjacent copied slides for page-by-page comparison (requires add-in 1.0.148 or later).
• Translation style in Word / Excel / WPS Writer and Spreadsheets now includes Bold translation: follow the original, force bold, or turn bold off (requires add-in 1.0.151 or later).
• The installer, ribbon and sidebar now support 14 interface languages. The setup wizard follows the Windows display language, and you can change it later in ribbon Settings.
• Sign-in now supports Google accounts. WeChat QR login and SMS verification for Chinese mainland phone numbers remain available.
• The website is now available in Traditional Chinese, English, Japanese, Korean, Russian, German, French, Spanish and Arabic. Switch languages from the page header.
• The account page can show a purchase region and USD reference prices (international checkout is not open yet). The website now includes a refund policy, and non-Chinese interfaces offer email support.
• In Word bilingual full-document translation, if scanning has not yet written translations back, you can rescan after a timeout or pause so you can change the target language (requires add-in 1.0.143 or later).

Bug fixes

• Fixed bilingual write-back in PowerPoint incorrectly modifying the original slides.
• Fixed Excel / WPS Spreadsheets bilingual mode translating existing translations again.
• Fixed Excel incorrectly restoring other worksheets when restarting a cross-sheet translation.
• Fixed repeatedly clicking a ribbon button in the same window opening multiple sidebars side by side.
• Fixed abnormal ribbon icons and unresponsive buttons in 64-bit WPS Presentation.
• Fixed possible Excel / WPS Spreadsheets crashes when the file path or window title was too long.
• Fixed being unable to restart after a Word bilingual scan timed out or was paused.
• The browser translation extension now translates Zoho Mail paragraphs and lists that were previously missed.
• Sidebar error messages now use the interface language instead of showing raw server text.
• Fixed web PDF translation treating a status-probe timeout as an engine failure.

New features

• Excel / WPS Spreadsheets now support parallel translation across multiple windows: each workbook window has its own sidebar and progress, so different workbooks can be translated at the same time without interfering with one another (requires add-in 1.0.139 or later).
• PowerPoint / WPS Presentation now support parallel translation across multiple windows: each presentation window has its own sidebar, so multiple presentations can be translated at the same time.
• The Word / Excel / PowerPoint sidebar now remembers its resized width and restores it the next time it opens. Clicking a ribbon button no longer resets the sidebar to its default width, and Office and WPS share the same width setting.
• The Word / Excel / PowerPoint ribbon now includes PDF Translation, which opens the web-based PDF translator in your browser.
• The website now includes PowerPoint translation information and an overview of translation tools for the Office and WPS product suites.

Bug fixes

• Fixed an issue where translated text stretched text boxes and single-line titles overflowed slides in PowerPoint. Shape sizes are now locked, and overly long text is reduced or wrapped.
• Fixed an issue where chart text could not be translated in WPS Presentation.
• Fixed an issue in PowerPoint where opening multiple windows showed only one sidebar, the second sidebar appeared blank, and closing a window during translation could make the app unresponsive.

New features

• PowerPoint / WPS Presentation now have a TopCopilot add-in that can translate an entire presentation, the current slide, or a selection while preserving the layout as much as possible and writing translations back slide by slide.
• Chart titles, SmartArt text, and speaker notes can now be translated. If translated text is too long, the add-in automatically reduces the font size to fit the text box.
• The PowerPoint sidebar now supports choosing a target font for translations, matching the translation styling available in Word.
• The installer now includes the PowerPoint / WPS Presentation component and installs it together with the Word and Excel add-ins.

Bug fixes

• Fixed duplicate text when writing PowerPoint translations back and an issue that prevented presentations from exiting normally when translation was paused.
• Fixed display glitches in Word when switching to Original view in nested-table bilingual mode or closing the document.
• Fixed an issue where the outer cells of nested Word tables were modified incorrectly during bilingual write-back.

New features

• The web-based PDF translator now shows academic-paper examples and explains per-page credit charges.
• The website now includes tutorials on literature, academic papers, PDF translation, and free credits, plus guides on choosing, purchasing, and privately deploying intranet translation.
• The intranet translation guide now covers DeepL private deployment, server setup, and enterprise private-deployment pricing.

Bug fixes

• Fixed an issue where a web PDF translation task could stop responding for a long time when its sidecar process disconnected unexpectedly.
• Improved result preservation and task completion behavior when the PDF translation engine encounters an error.

New features

• Word / Excel / WPS now include Document Tools → Delete Blank Rows in the ribbon. Cleanup runs locally, uses no credits, and shows an amber preview for confirmation.
• Word removes blank paragraphs while preserving intentional gaps such as those between tables. Excel deletes only entirely blank, formula-free rows within the used range.
• Added a Word / Excel guide to deleting blank rows on the website blog.

Bug fixes

• Fixed an issue where deleted-row previews were highlighted in light blue.
• Fixed inaccurate paragraph positioning in Word documents containing tables or fields, which could cause the wrong paragraph to be previewed or deleted.

New features

• The web app now offers PDF Translation, powered by DeepSeek / GLM large models. Upload a text-layer PDF (one file up to 20 MB and 80 pages), preserve the original layout as much as possible, and download both a bilingual comparison PDF and a translation-only PDF.
• The 500 sign-up credits cover translation and online previews. Downloads of bilingual and translation-only PDFs require a subscription or credit top-up; after topping up, you can download the existing result without translating again (results are kept for about 1 hour).
• The web-based tools now include My Files, where translations, spreadsheets, and images generated by any tool within the past hour can be found, previewed, and downloaded in one place. The entry remains available after refreshing the page or returning from a top-up.
• When PDF translation is busy, tasks are queued automatically and show how many tasks are ahead.

Bug fixes

• Fixed line breaks inside PDF table cells being translated line by line, missing list items, and nested lists being merged into their parent level.
• Fixed an issue where PDF translations were occasionally written in Chinese when the target language matched the source language.
• Fixed an issue where the selected online tool was lost after a user topped up credits and returned.
• PDF translation downloads now keep the original file name.

New features

• Word / WPS now support parallel translation across multiple windows: each document window has its own translation panel and progress, so multiple documents can be translated at the same time without interference.
• When full-document translation credits run out, the task now pauses instead of failing. Translated paragraphs are written back completely before stopping, and one click resumes after a top-up without losing the remaining paragraphs.
• Bilingual scanning and write-back for large documents is faster. While scanning, the sidebar warns against editing the document and estimates how long a large document will take.

Bug fixes

• Fixed several bilingual/original-view switching issues: missing WPS header fields are restored automatically, switching no longer fails at section breaks or field boundaries, and original text no longer leaks into headers.
• Fixed an issue with table of contents (TOC) write-back in translation mode.
• Fixed line-level bilingual corruption and incorrect translation insertion in lists when table cells contain manual line breaks.
• Fixed the browser extension merging an entire Zoho Mail message into one translation block; content is now translated paragraph by paragraph.
• Fixed an issue where new users occasionally did not receive their free credits on first sign-in, and added automatic retries.
• Translation now resumes correctly after a credit pause and top-up. During that time, the bilingual result card remains read-only to prevent accidental changes.

New features

• Full-document and selection translation in Word / WPS / Excel now support custom translation styles: font size, color, and target font can be configured and applied consistently to bilingual blocks (requires add-in 1.0.131 or later).
• If AI Assistant is missing after WPS starts, the installer now enables the COM add-in based on the installed icon. Computers that already load it correctly will no longer receive repeated prompts.

Bug fixes

• Fixed translation styles not applying in bilingual mode, styles remaining on original text after switching between Translation and Bilingual, and residual styles after restoring the original.
• Fixed inflated row heights in bilingual Excel / WPS cells and incorrect translation styles in mixed-color cells.
• Fixed an issue where Word could crash and leave an error dialog that could not be closed when users clicked the sidebar disable control in certain input-method environments.
• Fixed free credits occasionally not arriving for new registrations and added automatic retry. Downgrading after a paid plan expires no longer clears remaining free credits.

New features

• Word / WPS full-document and selection translation now offer a Bilingual write-back option: the original text is preserved and each translated paragraph is inserted below its source paragraph for side-by-side reading (requires add-in 1.0.122 or later).
• You can choose Translation or Bilingual before starting. You can also set a default write-back mode next to the target language and choose whether to ask again next time.

Bug fixes

• Fixed bilingual translation not stopping promptly after the source text was edited, inaccurate rollback of generated blocks, and failures when validating paragraphs containing manual line breaks or fields.
• Fixed bilingual mode accidentally blocking Translation write-back, incomplete page numbers and other fields, and abnormal table-boundary deletion in WPS.
• Fixed unstable chart-title and axis-text write-back in WPS, and added a prompt to contact WeChat support when the sidebar WebView2 fails to initialize.
• Improved Excel / WPS row heights, frozen panes, and visible ranges when switching sheet views, reducing misalignment after returning to the original text.

New features

• Excel / WPS full-sheet translation now supports Translate All Worksheets, which scans all visible worksheets in the workbook at once (hidden worksheets are skipped; requires add-in 1.0.113 or later).
• After translation, the sidebar’s Sheet View menu can switch between Translation, Bilingual, and Original. Advanced settings can set the default write-back mode to Translation or Bilingual.

Bug fixes

• Fixed issues with overly long Excel cells, returning to the original after switching from bilingual view, and occasional exceptions during sidebar initialization.
• Standardized the Excel / WPS ribbon task-pane width and restored the confirmation guidance for Translate All Worksheets.

New features

• Word / WPS now include a standalone Image to Word panel that converts screenshots or scans into editable documents, preserves the original layout and illustrations as much as possible, and inserts the result at the cursor or downloads it as a Word file.
• The web-based tools now also offer Image to Word without installation, and the website has a dedicated landing page.

Bug fixes

• Fixed an issue where signing in through the WeChat QR code on the web app could open the add-in’s Full-Document Translation by mistake and prevent users from returning to tools such as Image to Excel.
• Fixed an issue where Word could not read clipboard images in some environments when pasting screenshots into the sidebar.
• Fixed an issue where closing one of several open documents could make the task pane disappear.

New features

• Excel / WPS Spreadsheets now include a standalone Image to Sheet panel. Screenshots or photos can be recognized and written directly into the current workbook, or downloaded as an editable xlsx file.
• Excel / WPS Spreadsheets now include a standalone PDF to Sheet panel. Both standard PDFs and scans can be recognized, with results written back to the workbook or exported as xlsx.
• During full-document translation, the Word viewport now follows the paragraph being translated, so users no longer need to scroll through long documents to find progress.

Bug fixes

• Fixed an issue where scrolling could crash Word when sidebar focus was on a button or another non-text control in certain input-method environments.
• Fixed disappearing previews after downloading a web full-document translation and an issue where the account balance was occasionally not ready before conversion.
• Improved Word / WPS task-pane closing and resize handling to reduce exceptions when the host application exits.

New features

• The TopCopilot AI Translation Assistant browser extension is now available in the Microsoft Edge Add-ons store and can be installed with one click.

New features

• Introducing the TopCopilot AI Translation Assistant browser extension (Chrome / Edge): click Translate this page to translate an entire webpage in one click. Translations are inserted below the original text for bilingual reading, and only the main content is translated while navigation and ads are skipped.
• The extension supports four translation engines—Bing, Google, the browser’s built-in AI, and LLMs—and lets users switch freely. Bing, Google, and the browser’s built-in AI are free.
• Added translation for underlined words, dictionary cards, and English grammar analysis, using the same account and credits as the Windows add-in and web app.
• The website now has a browser-extension landing page plus tutorials on Edge webpage translation and choosing an add-in.

New features

• Added Grammar Analysis, which breaks down English sentences into subject, predicate, object, attributives, adverbials, complements, clause types, tense, and voice. Long sentences are shown in three progressive layers, and the feature is available in both the add-in and web app for a limited time at no charge.
• Supports automatic grammar analysis for selected English sentences in Word / WPS.
• The web app now accepts English sentences for grammar analysis.

Bug fixes

• Improved scroll positioning after full-document translation write-back for smoother reading.

New features

• Individual word translation is now a dictionary card with British/American phonetics, parts of speech, definitions, examples, and word forms. Sentence searches show the translation and key words.
• Word translation result cards support system text-to-speech, so users can hear both the word and its translation.
• The first time Word / Excel / WPS starts after installation, the add-in asks whether to open and sign in to AI Assistant. If accepted, the login page opens automatically and navigates to the AI Assistant tab.
• Image translation now offers a batch preview, allowing users to review and exclude images that do not need translation.
• Web full-document translation tasks are now retained for 1 hour, and the task page includes an official add-in download link.
• The account page and plan information now load faster and open more smoothly.

Bug fixes

• Fixed an issue where manually applied superscript or subscript formatting could be lost during full-document translation.
• Fixed an issue where content in referenced fields could be damaged during full-document translation.
• Improved installer updates: if Word / Excel / WPS has a file open, the installer now asks the user to close it before overwriting, making updates more reliable.
• Improved WPS add-in allow-list registration and uninstall cleanup in multi-user environments.

New features

• Word full-document translation can now translate native chart text such as chart titles, axes, and category labels.
• Excel full-sheet translation now also translates chart titles on worksheets.
• Image translation now offers a Full-Document Batch mode: after full-document translation, users can scan and translate every image in the document with one click, then review, replace, or undo them from one result list.
• Repeated short sentences within the same translation task now reuse translations automatically, speeding up long documents and saving credits.
• Improved the website homepage and download page layouts to make the add-in and web tools easier to find.

Bug fixes

• Fixed an issue where manually created table-of-contents leader lines could be processed incorrectly during Word full-document translation, causing duplicate page numbers.
• Fixed write-back errors that could occur when switching worksheets during Excel full-sheet or image-batch translation.
• Improved installation and registration reliability without administrator privileges and in multi-user environments.
• Improved image recognition, anchoring, and write-back reliability for images inside documents.

New features

• Upgraded the translation engine to the official DeepSeek V4 Flash release (deepseek-v4-flash), improving full-document, selection, and full-sheet translation plus glossary consistency, long-document context, and terminology consistency.
• Added Image Translation to the add-in.
• Added Image Translation to the web app.
• The installer passed the 360 Software Open Platform security inspection.
• Renamed Personal Vocabulary to Glossary across the website.

Bug fixes

• Fixed unstable replacement, export, and undo behavior when writing image translations back in Word / WPS.
• Improved image anchor recognition and English prompt text in documents.

New features

• The website now has dedicated landing pages for Word translation, Excel translation, WPS Spreadsheets translation, and other add-in capabilities, so users can compare each product before installing.
• The website now has dedicated pages for Excel AI Assistant and Excel Formula Generator, covering intelligent data entry and formula assistance.
• The website published an in-depth comparison, TopCopilot vs Word Built-in Translation, covering format preservation and academic document scenarios.
• Added a Word translation troubleshooting guide covering common installation and translation errors.

Bug fixes

• Word full-document translation and AI Fill now preserve mixed-paragraph emphasis underlines and form-field underline widths more accurately, improving format restoration.
• Fixed an issue where selecting text for translation could miss the final character or misidentify non-contiguous selections.
• Fixed an issue where WPS occasionally crashed when closing a document with the sidebar open.
• Fixed duplicate Chinese and English titles when writing table-of-contents entries back from the web app.
• Fixed an issue where login state was occasionally not restored after a cold start and where sessions remained valid after web authentication failed.

New features

• The web app now offers online full-document translation: upload a Word document (.docx) in the browser and download the translated file. Mac and mobile users can scan a QR code to get started without installing an add-in.
• The web app tries to preserve cross-references, table-of-contents entries, form-field underlines, and outline numbering for more complete restoration of complex documents.
• Web translation can resume tasks after a page refresh. Credits are deducted per translation batch, and tasks can pause when the balance is insufficient and continue after a top-up.

Bug fixes

• Improved account information, plan details, and add-in guidance on the web translation page.

New features

• Optimized Word full-document preprocessing to reduce scan and preparation time for long documents.
• Word full-document translation now preserves headers, footers, and custom outline numbering, restoring complex academic layouts more completely.
• Word full-document translation now preserves TOC page numbers, embedded images, and caption numbers, while translated TOCs and chart structures remain usable.
• Improved recognition of manual line breaks: text is translated by paragraph to prevent content from merging across lines.
• When translating Chinese TOCs and references, the add-in can now generate corresponding English titles to improve academic document consistency.
• The website published an in-depth comparison, TopCopilot vs WPS Full-Document Translation, based on master’s thesis testing.

Bug fixes

• Fixed an issue in 32-bit WPS where outline numbers were not refreshed after translation.
• Fixed an issue where a full-document translation session could not continue after the login state expired and was refreshed.
• Fixed content loss or corruption when translating underlined form fields.
• Fixed an issue in Word where selecting multiple non-contiguous paragraphs could accidentally start translation.
• Fixed an issue where Japanese results were occasionally left untranslated when Chinese and Japanese translations were written back.

New features

• Renamed Quick Translation to Word Translation. Selecting Word paragraphs or Excel cells now starts translation automatically for a smoother workflow.
• Excel AI Assistant now supports data deduplication and can remove duplicate rows as needed.
• Increased the import limits for Excel image and PDF to spreadsheet conversion and improved stability with large files.
• Excel AI Assistant now validates attachment format and size on upload and provides clear error messages.

Bug fixes

• Fixed glossary auxiliary matching requests failing in some scenarios.

New features

• Word / Excel translation is now managed and authenticated by the sidebar, so long full-document or full-sheet translations are no longer interrupted by login expiration.
• Aligned the Excel / WPS spreadsheet translation architecture with Word to improve stability and write-back.
• Added an Ultra plan with multi-month prepaid renewal. Upgrading to Pro can offset the amount already paid, and the account plan page has a refreshed design.
• Unified the product brand as TopCopilot Office AI Assistant and aligned the Excel ribbon with the AI Assistant name.
• Added usage details and self-service invoicing to the account page.
• Excel AI Assistant supports one-click stop generation, and the input box previews images and PDF attachments before sending.

Bug fixes

• Fixed occasional crashes when translating in a 32-bit WPS environment.
• Fixed upgrade deductions displaying as 0 during plan-chain upgrades.
• Fixed incorrect credit deductions after stopping or canceling Excel AI Assistant.
• Fixed an issue where Excel cells could not be edited directly after entering text in the sidebar, and where screenshots could pollute the clipboard.
• Fixed repeated widening of the WPS task pane and missing prompts to close Office during installation.
• Fixed an issue where 32-bit WPS Spreadsheets might fail to load or register the Excel add-in.

New features

• Excel AI Assistant now supports Markdown responses, making tables, lists, and code easier to read.
• Excel AI Assistant now displays uploaded images and PDF attachments in message bubbles for easier review of previous conversations.
• Excel AI Assistant now uses image and screenshot context more effectively and can refer to uploaded content across multiple conversation turns.
• The Excel Coding Agent management page now shows MCP status and offers one-click startup for local Claude Code, Codex, and OpenCode.
• Coding Agent startup now works better in restricted enterprise environments, reducing failures caused by cmd or PowerShell restrictions.
• The installer is further streamlined and no longer bundles the WebView2 Runtime that is typically included with the system.

Bug fixes

• Fixed an issue where Excel AI Assistant could send empty messages and the input box occasionally did not appear after startup.
• Fixed an issue where images could disappear from Excel AI Assistant after multiple conversation turns.
• Fixed inaccurate status reporting and unstable connections when multiple Excel windows use MCP at the same time.
• Fixed a possible crash in 32-bit Excel / WPS Spreadsheets when using Coding Agent or MCP.

New features

• Excel AI Assistant supports multimodal automatic filling and can populate cells intelligently based on image content.
• Excel AI Assistant can parse PDFs and fill cells intelligently based on their content.
• Expanded Excel AI Assistant editing capabilities so AI can directly modify cell content, formulas, and formats, bringing an experience comparable to Claude in Excel / Copilot.
• Added Coding Agent to Excel with seamless Claude Code and Codex integration, fully leveraging Coding Agent’s data analysis and spreadsheet editing capabilities.

Bug fixes

• Fixed precision loss when writing long numeric IDs in Excel by automatically preserving them as text.
• Fixed Excel selection preview freezing when the entire sheet is selected.
• Fixed repeated sending when clicking Excel Chat during a multi-step operation.
• Fixed occasional freezes when starting WPS Spreadsheets.
• Fixed the WeChat Pay QR code displaying the amount multiple times.

New features

• Expanded Excel AI Assistant editing capabilities to include formulas, cell formats, row and column sizes, merged cells, and sheet operations.
• Excel AI Assistant now supports tool-call loops and can continuously execute multi-step tasks.

Bug fixes

• Fixed WPS Spreadsheets scanning compatibility and improved recognition reliability.

New features

• Changed the Word / Excel / WPS ribbon icons to a custom Fluent thin-line style for a clearer, more refined look.

New features

• The login page now defaults to WeChat QR sign-in, with mobile verification code sign-in as a secondary option.
• Sidebar login status now renews automatically, so users no longer need to sign in again after long sessions.
• Added a release-notes page to the website where users can view features and fixes for each version.
• The installer supports unified installation for 32-bit and 64-bit Office / WPS.
• Adjusted the WPS sidebar width to fit ribbon icons while keeping all features usable.

Bug fixes

• Fixed Word selection translation incorrectly identifying text boxes, headers, footers, and floating shapes.
• Fixed the view jumping back to the start of the selection after selection translation completed.
• Fixed some older versions not receiving upgrade prompts.
• Fixed an abnormal download URL for the website installer.
• Standardized the top navigation layout across subpages and improved the account-page title and UID display.

New features

• AI Fill now supports two modes, selected range and entire document, with a persistent indicator for switching at any time.
• Added a confirmation step before filling so users can review each row before writing.

Bug fixes

• Fixed abnormal display of subscription and credit top-up purchase entries.

New features

• Added a standalone AI Fill page to the Word sidebar, managed separately from translation.
• Grouped Quick Translation under Translation for clearer sidebar navigation.

Bug fixes

• Fixed embedded images being lost during translation.

New features

• Added WeChat sign-in with QR-code authorization.
• The pricing page now shows page-count estimates for each plan.

Bug fixes

• Fixed website layout issues in older versions of Edge.

New features

• Added a product demo video to the website homepage.
• The login page now supports pressing Enter to submit.

Bug fixes

• Fixed occasional redirect loops after panel sign-in.

New features

• Added an Excel translation add-in and a unified installer for the Word and Excel add-ins.
• Bundled all installer dependencies so first-time installation no longer requires downloading additional components.

Bug fixes

• Fixed progress-bar and cell write-back errors during Excel full-sheet translation.

New features

• Added support for Cursor-style plan upgrades, with plans managed directly from the panel.
• Credit balances now refresh immediately after a plan upgrade without requiring another sign-in.

Bug fixes

• Fixed Excel Quick Translation failing to write back when the panel had focus.

New features

• Improved write-back speed for translation results and significantly reduced batch delays.
• Full-document scanning is now asynchronous, so the panel no longer freezes.

Bug fixes

• Fixed paragraph segmentation for Traditional Chinese and Korean in full-document translation.

New features

• Added Thai, Malay, Indonesian, and Vietnamese as target languages.
• Glossaries now support CSV import and export with English column names and enabled flags.

Bug fixes

• Fixed panel status occasionally becoming out of sync after selection translation was written back.

New features

• The AI Chat panel can now send the current Word selection as context.
• Custom prompts now support naming and management in a style consistent with the glossary panel.

Bug fixes

• Fixed the Word task pane disappearing after switching windows.

New features

• JWT sign-in now uses sliding 30-day renewal, so users do not need to sign in repeatedly.
• Redesigned the Quick Translation panel with direct write-back to Word.

Bug fixes

• Fixed authentication state being lost when switching tabs in the panel.

New features

• Glossaries now support autosave, renaming, and direct editing of entries.
• Added a translation animation to the translation panel for clearer progress feedback.

Bug fixes

• Fixed an issue where translations of Arabic and other low-resource languages could not be written back from a selection.

New features

• Added glossaries so custom terms are applied automatically during translation.
• The panel now displays formulas and cross-references consistently with the Word source.

Bug fixes

• Fixed occasional layout and progress-state errors after restarting a full-document translation.

New features

• Added AI Chat to the Word sidebar.
• Added Quick Translation mode, which translates as you type and writes results back to the document with one click.

Bug fixes

• Fixed response truncation when AI Chat context became too long.

New features

• Added selection translation for translating and writing back any selected paragraph independently.
• The translation panel previews selected content in real time for a WYSIWYG experience.

Bug fixes

• Fixed content misalignment when translating paragraphs containing formulas in selection mode.

New features

• Launched full-document translation, which translates an entire Word document in one click and writes it back in place.
• Translation can now be paused and resumed, with side-by-side source and translated text.
• The installer now supports installation without administrator privileges and automatically registers the Word add-in.