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Office Settings & Configuration

Fix PowerPoint Rehearse with Coach Start Rehearsing Button Disabled

Algirdas JasaitisAlgirdas Jasaitis Oct 12, 2026 869 views

Question details

The user is unable to launch the presentation practice tool because the start button is grayed out.

Fix PowerPoint Rehearse with Coach Start Rehearsing Button Disabled
Product
Microsoft PowerPoint
Device & OS
Windows 10
Scenario
Trying to practice a slideshow using the Rehearse with Coach feature in Microsoft 365 Personal.
Observed behavior
The 'Start Rehearsing' button within the Rehearse with Coach feature is completely disabled and cannot be clicked.
Before you start

Ensure your computer has an active, stable internet connection, as the AI-driven Rehearse with Coach feature requires cloud access to analyze audio in real time.

Solution 1Recommended

Save the Presentation in the Modern .pptx Format

Older PowerPoint file formats do not support modern cloud-based features. Converting the file to the current format usually unlocks the button.

If your presentation was originally created in an older version of Office, it might be saved as a .ppt or .pps file. These legacy formats operate in Compatibility Mode, which restricts access to newer features like Rehearse with Coach.

1
Open Save As

With your presentation open in PowerPoint, click on the 'File' tab in the top-left corner and select 'Save As' from the left sidebar menu.

2
Change File Type

Click the dropdown menu under the file name input box and select 'PowerPoint Presentation (*.pptx)'.

3
Save and Reload

Click 'Save'. Close the presentation and reopen the newly saved .pptx file, then check if the Start Rehearsing button is now active.

Save the Presentation in the Modern .pptx Format
Compatibility Check: Saving in .pptx format not only enables coaching features but also reduces file size and improves document security.
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Frequently Asked Questions

Why is the Rehearse with Coach button grayed out when I am offline?

Rehearse with Coach is a cloud-powered AI feature. It needs an active internet connection to securely send your audio to Microsoft's servers for real-time analysis. The button is automatically disabled if your device loses internet connectivity.

Can I use Rehearse with Coach on older standalone versions of PowerPoint?

No, Rehearse with Coach is exclusive to Microsoft 365 subscribers and PowerPoint for the web. Standalone perpetual license versions like Office 2016, 2019, or 2021 do not include this feature in their desktop applications.

Are there specific microphone settings required to use this feature?

Yes, you must grant PowerPoint permission to access your microphone. If the button clicks but immediately fails, check Windows 10 Privacy Settings (Settings > Privacy > Microphone) and ensure 'Allow desktop apps to access your microphone' is turned on.