SharePoint Premium Document Translation with a new name and broader file format support

Microsoft is broadening the range of supported file formats in SharePoint Premium Document Translation (formerly also known as Microsoft Syntex). Alongside this enhancement, the feature has been rebranded to SharePoint Content AI Document Translation.

This update brings it closer in alignment with Azure Document Translation, enabling new use cases for translating technical documents, web content, and structured data.

Timeline

The rollout is expected to be completed in July 2025.

How does this affect your organization?

Users can now translate a broader range of file formats in SharePoint and OneDrive.
Previously, SharePoint Content AI Document Translation (formerly known as SharePoint Premium Document Translation) supported the following formats:
.csv, .docx, .htm, .html, .markdown, .md, .msg, .pdf, .pptx, .txt, and .xlsx.

With the latest update, the feature now also supports these additional file formats:

  • Markdown files: .mdown, .mdtext, .mdtxt, .mdwn, .mkd, .mkdn
  • Web archive formats: .mht, .mhtml
  • Open formats: .odt (OpenDocument Text), .rmd (R Markdown)
  • Structured data: .tab, .tsv
  • Localization formats: .xlf (XLIFF)

The expanded file format support enables users to:

  • Translate developer documentation and technical content written in Markdown
  • Support translation of content exported from open-source tools such as LibreOffice
  • Localize eLearning and software files using XLIFF (.xlf)
  • Translate structured data files (.tsv, .tab) without file conversion

This update reduces manual effort and expands translation capabilities for file formats commonly used across organizations.
Keep in mind that SharePoint Content AI Document Translation supports files up to 40 MB in size.

Here is an example of a new file format, mhtml (Web archive format).
ChatGPT prepared this sample in English.

mhtml file in English
mhtml file in English

SharePoint Content AI Document Translation translated the file into German in less than 10 seconds.

mhtml file translated by SharePoint Content AI Document Translation
mhtml file translated by SharePoint Content AI Document Translation

As a reminder, all SharePoint Premium features are billed through Microsoft Syntex Pay-as-you-go.

Document translation > $15.00/1M characters
The number of characters processed. Character count includes letters, Unicode code points, punctuation, and white spaces.

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Tobias Asböck

Tobias is a Senior System Engineer with around ten years of professional experience with Microsoft 365 products such as SharePoint Online, SharePoint Premium, OneDrive for Business, Teams Collaboration, Entra ID, Information Protection, Universal Print, and Microsoft 365 Licensing. He also has 15+ years of experience planning, administering, and operating SharePoint Server environments. Tobias is a PowerShell Scripter with certifications for Microsoft 365 products. In his spare time, Tobias is busy with updates in the Microsoft 365 world or on the road with his road bike and other sports activities. If you have additional questions, please contact me via LinkedIn or [email protected].

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