How to handle office 0x80070005 errors or unauthorized product notifications

Check whether the latest Office license exists

If you are a home user, log on to your account page and verify that your computer is listed below "Installation Information. If not, reinstall the Office to obtain the latest license.

If you are an enterprise user, log on to the Office 365 portal and click "settings"> "Office 365 settings ".

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Verify that "Office of the latest desktop version" is listed in the assigned license section ".

If not listed, ask your administrator to assign an Office license to you.

Get the latest Office version

Open any Office application, such as Word or Excel.

Click File> account ".

Under product information, click Update Options> update now ".

Note: If you cannot see "update now", click "enable update" to enable automatic update. Then, click "update options"> "update now ".

1. Online repair of running Office

2. If you have updated the Office, but the system still prompts you to activate it, please run the Office online repair.

3. Uninstall your product key, and then log on

4. If you have tried all other solutions but the system still prompts you to activate them, uninstall your product key and then log on to activate the Office.

5. Click this Fix it to uninstall your product key.

Click open at the bottom of the browser ".

After the Fix it tool is complete, open any Office application (such as Word or Excel ).

When prompted, use the email and password associated with the Office to log on.