If Copilot suddenly cannot validate access, check these common causes first:
- Confirm the correct account is signed in.
- Go to https://microsoft365.com.
- Check the profile icon in the upper-right.
- If already signed in, try Sign in with a different account in case the current account does not have the Copilot license.
- If the document is a work or school file, use the matching work or school account.
- A license validation error can happen when working on an organization file while signed in with a personal Microsoft 365 Personal, Family, or Premium Copilot account.
- Check where the file is stored.
- If the file is hosted in a third-party storage location, Copilot can show license validation or related errors.
- Move or copy the file to OneDrive or SharePoint, then try again.
- Refresh the Microsoft 365 app license.
- Windows: In any Microsoft 365 app, go to File > Account > Update License, then close and restart all Microsoft 365 apps.
- Mac: In any Microsoft 365 app, select the app name menu > About <app name> > More Info... > Refresh License, then close documents and restart the apps.
- Web: Refresh the browser page. If needed, enable third-party cookies because blocked third-party cookies can prevent Copilot from validating the license.
- If Copilot is missing in Word, Excel, or PowerPoint, check the new button location.
- The Copilot entry point may now be the Copilot Dynamic Action Button in the lower-right corner of the document.
- If using Microsoft 365 apps for business, verify the update channel.
- Copilot features are not available in Semi-Annual Enterprise Channel.
- The device must be on Current Channel or Monthly Enterprise Channel.
- Check in File > Account under Product Information.
- Check privacy settings in the app.
- In File > Account > Manage Settings under Account Privacy, confirm:
- Experiences that analyze your content is turned on.
- All connected experiences is turned on.
- On Mac: Word > Preferences > Privacy.
- In File > Account > Manage Settings under Account Privacy, confirm:
If the issue continues:
- Home users: contact Support.
- Business users: check with the Microsoft 365 admin to confirm that the account has Microsoft Copilot assigned. The admin can contact Microsoft support if needed.
The document save problem itself is not covered in the available guidance, but moving the file to OneDrive or SharePoint is the supported step when the file location is causing Copilot-related errors.
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