How to change what account Office is activated under
Step 1: Sign out of Office and then sign back in
Sign out of Microsoft Office using any Office product: Word, Excel, PowerPoint, Outlook, etc.
- Select File, and then select Account.
- Select Sign out.
- Close the Office product and then restart it.
- Select File, and then select Account.
- Select Sign in and use your credentials to sign back in.
Step 2: Remove the user account from your Office 365 profile
- In the upper-right corner of an Office app (Word, Excel, PowerPoint), select your name, and then select Switch Account.
- On the Accounts screen, select Sign out.
- Locate the account that you want to remove, and then select Sign out.
Step 3: Remove connected services from your Office profile
- Go to File, and then select Account.
- Under Connected Services, remove all the services for the existing account.
Step 4: Clear cached credentials on the computer
- Edit the registry to remove cached credentials:
- Select Start, select Run, type regedit, and then select OK.
- In Registry Editor, locate the following registry subkey:
HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Common\Identity\Identities
- Select the Office account that you want to delete, and then select Delete.
- In the Identity subkey, locate Profiles, right-click the same Office account that you located in Step 1 of this procedure, and then select Delete.
- Select File and then Exit Registry Editor.
- Remove the cached credentials in Credentials Manager:
- Select Start, then Windows System, then open the Control Panel and select Credential Manager.
Note
You may have to use the search field in the Control Panel to find the Credential Manager.
- Under the Windows Credentials tab, locate the account that you want to remove and then select Remove.
Note
In Windows 7, this is listed as Generic Credentials.
- Log off, and then log back in to the computer.
If these steps do not work, please use the Microsoft Support and Recovery Assistant tool located here: https://aka.ms/SaRA-OfficeSignInScenario