TL;DR
You will soon be able to preview file content within Teams chat and channel conversations. Now due late February to late March 2025.

Details
Files in Teams chat and channel conversations will soon have a Preview button (it looks like a ’play’ button in the image below) that enlarges the preview and allows you to engage with and view that file without leaving the chat or conversation:


Stage one of this rollout will be single file attachments in Teams messages, starting with PDFs. PowerPoint, Word and Excel will follow later. The Preview option for files in messages with multiple files will be announced later.

Availability
Due early to late February 2025.
Now due late February to late March 2025.

Source, related links, and references
MC934727.
365 Roadmap ID 421188.
Image(s): Microsoft.

Suggested action
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Page originally published
25th November 2024 and kept up to date.


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