Browser extension · One extension · Chrome / Edge
Business email translation No need to copy text to another page: in Gmail, Outlook or Zoho, open the email you want to read, then in the TopCopilot AI Translation Assistant sidebar select Full-page translation select Translate this page, and read the bilingual translation below each paragraph Bilingual comparison, making quotations and deadlines easier to verify. and Web translation extension One extension; install it once.
The Chrome Web Store listing is coming soon; see installation and account instructions at Download page · Browser extension。
The demo uses Zoho Mail; Gmail / Outlook webmail works the same way. The same extension also translates full English web pages, so you only install it once.
When people search for “email translation” or “Gmail translation”, they mainly want tostay inside their inboxwhile understanding foreign-language messages and checking key details against the original.
When you need to compare PI details, lead times, Incoterms or payment terms with the original, bilingual text below each paragraph is safer than replacing the whole page and helps prevent misreading amounts or dates.
When a CC chain or reply thread is long, there is no need to copy the entire email into a separate translator. Translate the current page, then decide whether to organize it in Word for archiving.
English delivery notices, customs supplements and overseas-warehouse exception emails can be translated as soon as you open them. Look up terms with selected-text translation and use grammar analysis for long sentences.
List views do not contain the message body, so open the email you want to read first.
Install the extension from the Microsoft Edge Add-ons store (Edge 114 or later). The Chrome Web Store listing is coming soon; functionality is the same as on Edge.
Sign in to Gmail, Outlook or Zoho Mail, open a specific email and wait for the full body to appear in the reading pane. Inbox list views usually have no translatable body.
Open the extension sidebar, choose the target language and engine, then select Translate this page. The translation is inserted below each email paragraph as a bilingual view. You can switch to translation-only or restore the original.
All use the same Full-page translation workflow; the main difference is how each mailbox places the message body in the page.
| Mailbox | Where to use it | Tips |
|---|---|---|
| Gmail | mail.google.com | Open one message in a conversation and translate it. If the body is not detected after switching messages, select Translate this page again. |
| Outlook on the web | outlook.live.com · Microsoft 365 webmail | Aim to translate only the reading-pane body, not the folder tree and buttons on the left. |
| Zoho Mail | mail.zoho.* · Zoho Mail webmail | The body may be in a same-origin iframe or composed of div paragraphs. The DOM can re-render after switching messages, so translation may occasionally be needed again. |
For step-by-step screenshots and troubleshooting, see How to translate Gmail and Outlook emails。
Switch engines in the sidebar. Bing, Google and browser AI are suitable for everyday business email translation.
The default engine: Microsoft's online translator, fast and consistent for whole pages.
A free online engine with broad language coverage, available with one click in the sidebar.
Uses the browser's built-in AI translation model on your device. The first use requires a one-time language-pack download.
For paid subscribers: LLM whole-page translation for smoother long sentences and specialist content. Shares your account and credits with the Word and Excel add-ins.
When reading email, the presentation determines how quickly you can compare the translation with the original.
| Comparison | Built-in browser translation | Copy into an online translator | TopCopilot extension |
|---|---|---|---|
| Reading experience | Replaces the entire page, including folder menus | Only the pasted text is translated, losing layout and quoted blocks | Bilingual text below each email paragraph while the interface stays intact |
| Steps | Translates the address bar and makes it hard to translate only one message | Requires repeatedly copying the body into another website | Open the email → select Translate this page in the sidebar |
| Checking the original | Requires switching display languages back and forth | The original is in the mailbox and the translation is on another page | Original and translation are shown together on the same screen |
| Close reading a sentence | No dictionary-level selected-text lookup | Requires pasting each sentence separately | Look up selected words or translate sentences from the same extension sidebar |
Use the browser extension to read email. To write translations back into contracts, quotation sheets and other documents, use the Word / Excel / WPS add-ins with the same account.
Whole-document, selection and selected-text translation, written back in place while preserving layout where possible.
Explore the Word translation add-in →Whole-sheet and selection translation across all visible worksheets. Switch between translated, bilingual and original views afterward, while preserving formula columns.
Explore the Excel translation add-in →Translate the whole presentation, current slide or selection, including charts and notes, while preserving slide layouts where possible.
Explore the PowerPoint translation add-in →Translate inside WPS Writer and Spreadsheets using the same steps as Word and Excel.
Explore the WPS translation add-in →Whole-sheet and selection translation in WPS Spreadsheets across all visible worksheets, with translated, bilingual and original views afterward.
Explore the WPS Spreadsheets translation add-in →Image / PDF to spreadsheet and natural-language formula writing, with results written directly into cells from sidebar chat.
View Excel AI Assistant (PDF/image to Excel) →Describe business rules and AI generates and writes back formulas for cross-sheet lookups, summaries and conditional statistics.
View Excel Formula Generator →Install TopCopilot AI Translation Assistant, then open a message in Gmail / Outlook / Zoho webmail to read bilingual text below each paragraph. Free engines work immediately after installation.
Web translation extension English grammar analysis Extension installation instructions
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