A family of Microsoft products that enable users to capture, organize, and reuse notes electronically.
Hi Alma,
This is a widely reported problem at the moment where the option to upload an audio file for transcription is not working in the installed version of Word and is working on the online version of Word, there is nothing wrong with your Windows version or Office installation, this is a server-side problem that Microsoft needs to fix on their side.
The best option is to open Word, then go to Help - Feedback - Report a Concern and report this bug to the Office developers there.