I recently ran into an issue when trying to open documents in Microsoft Office apps in Windows. My Office apps are licensed via a Microsoft 365 license and the documents I wanted to open were stored in OneDrive for Business. However, when I tried to open the document in the desktop app, I received an error: Sorry, another account from your organization is already signed in on this computer. I was able to fix the issue, but it did take a few minutes of troubleshooting to figure it out. Read below how to easily get this error removed. I also created a video showing the solution that’s embedded at the end! While looking at an Office file in OneDrive in the browser, selecting to Open in Desktop App will then open the file via the Office app on your desktop. However, in my case I received an error when the Excel App in Windows tried to open the file. Sorry, another account from your organization is already signed in on this computer. The real confusing part is that the account was not listed in the Connected Services section. When I attempted to add OneDrive for Business with the correct account there in the Connected Services section, it gave me the same error. This issue usually presents itself because the account has an issue with authentication or it has been too long since the last time the account has logged into Office. It simply needs to reauthenticate, but you have to do it in a specific way. Read on for the fix! After several attempts at different methods to fix the issue, I remembered that selecting which account was signed in would change the accounts in the Connected Services section. So I selected the correct account in the Sign In menu on the top-right area when viewing the Accounts tab within the Office app. Once the correct account is selected, then the Account Error will show in yellow as seen below. The next step is to click the Fix me button within the Account Error box. Put in the login details for the account being used to access the document. Since everyone should also have two-factor authentication turned on for every login, that process will need to be followed too! Once logged in, click on the Try again button in the yellow box in the Connected Services section. This will refresh the services and list them there. Once all these steps have been followed, the document should now load successfully when selecting the Open in Desktop App link within the Office Online app. Originally published at Daniel Glenn.
In some cases, Outlook may be unable to open a message sent from a user in a different Microsoft 365 organization if the message has been protected with Information Rights Management. When you try to open a protected message sent from a user in a different Microsoft 365 organization – even if you are signed in to Office with an account that has permission to open that message – you're unable to open it, and you may see one of the following notifications:
Several issues pertaining to decrypting and opening IRM-protected messages sent from users in other Microsoft 365 organizations have been fixed in the following Outlook subscription version:
If your Outlook version is older than the version listed above, please update to the newest version and try again. To find your version number, see About Office: What version of Office am I using? If you can view your email in Outlook on the web, The Outlook standalone versions haven't yet been patched with the fixes released to Outlook for Microsoft 365. Fixes are currently in development for the following versions.
This page will be updated with information about updates for the standalone perpetual versions of Outlook when the updates are released.
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The Microsoft Rights Management Service (RMS) allows you to restrict access to Microsoft Office documents to specific individuals. RMS is integrated into Microsoft Office and is available for faculty and staff. Check with the IT professional in your department for assistance in enabling RMS for your account. Note: This service only allows UMass Amherst employees to share restricted documents with each other. If you share a document with restricted access to an individual outside of the campus community, they will not be able to open it. Open a file with RMS restrictions
Set RMS restrictions on a fileMicrosoft Office 2013 (Windows)
Microsoft Office 2010 (Windows)
Microsoft Office 2007 (Windows)
Microsoft Office 2011 (Mac)
Set RMS restrictions on an emailMicrosoft Outlook 2011 (Mac) In a new email message, go to Options > Permissions > Do Not Forward. Microsoft Outlook 2007 (Windows) In a new email message, go to Office button > Permission > Do Not Forward. Microsoft Outlook 2010 (Windows) In a new email message, go to Options > Permission > Do Not Forward. Microsoft Outlook 2013 (Windows) In a new email message, go to Options > Permission > Do Not Forward.
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