Assittance Required Permission Error Accessing Presentation(IRM/Access issue)

The presentation owner must add your exact Microsoft 365 identity to the file’s IRM permissions—or the source organization’s administrator must grant access if an organizational rights policy controls the file.

Have the presentation owner update access

The owner should open the presentation in the PowerPoint desktop application on Windows, then:

1. Select File → Info → Protect Presentation → Restrict Permission by People → Restricted Access.
2. Add the exact email identity you use to sign in to Office.
3. Assign one of these levels:
   • Read — view only.
   • Change — view, edit, and save.
   • Full Control — includes changing permissions.
4. Select OK, save the presentation, and send it again if necessary.

If the rights-management Message Bar is visible, the owner can select Change Permission instead. IRM authorization is stored with the presentation and validated by a licensing server, so being signed in successfully does not by itself grant access.^1^

Microsoft Support cannot directly modify a privately or organizationally owned file’s permissions. That action requires the author, a user with Full Control, or the organization administering the protection policy.

Check which identity was granted

Since the Office sign-in has already been verified, ask the owner to compare the permitted identity with the account shown in PowerPoint → File → Account.

A Gmail address and an organizational Microsoft 365 account can represent different identities even if messages are forwarded between them. The owner must grant access to the identity that PowerPoint presents to the IRM licensing service—not merely the address where the file was received.

Once permission is granted, open the file while connected to the internet. PowerPoint must contact the licensing server the first time it opens each restricted file to verify the account and obtain a use license.^2^

If the owner cannot change permissions

The restriction may have been applied through an organizational rights template. In that case, individual permissions might not be editable. The owner should contact the Microsoft 365 or information-protection administrator in the organization that protected the presentation and provide:

• The presentation name.
• The exact account requiring access.
• The complete error text.
• Whether the recipient is external to the organization.
• Whether access previously worked or has never worked.
• Whether the protection or access has an expiration date.

If this is external or cross-organization access

If the presentation belongs to another organization, its Conditional Access requirements can prevent an external user from obtaining the IRM license even when Office accepts the sign-in. This applies specifically when cross-domain authentication and Conditional Access are involved.^3^

The source organization’s administrator should then check whether:

1. Your external identity has been invited into the source tenant.
2. The invitation has been redeemed using the same identity being granted access.
3. Its Conditional Access policy permits that guest identity to authenticate and obtain the rights-management license.

Do not post the real account address publicly; provide it only to the presentation owner or the organization’s authorized administrator.

References

1. [Windows](https://support.microsoft.com/powerpoint/restrict-access-to-presentations-with-information-rights-management-in-powerpoint)
2. Open a file that has restricted permissions | Microsoft Support
3. Credentials don't work for IRM-protected content