It supports Office 2013, Office 2010, Office 2007, Office 2003 and Office XP as of this writing. The program requires at least. OPA-Backup is a highly recommended tool for every Microsoft Office user. Before restoring the backup, it is recommended that you disable your internet access to prevent an automatic online activation.Īs long as have installed the same edition of Office, with the same product key, on the same edition of Windows, it can restore the activation. Backing up the activation from an edition of Office on Windows 7 and restoring that same backup on Windows 8 is not supported, even if the version and edition of Office is the same.

The sequence must be: Install Windows -> Install Office -> Restore activation -> Restart Windows -> Start an Office program for the first time after the clean install. You must not start any Office application before you restore it.When restoring the activation using OPA-Backup, there are important considerations: It is a legit and clean way to restore your activation. There is a free, third party app called OPA-Backup, which lets you easily back up the activation of Microsoft Office and restore it. This is not convenient as you have to dial several digits on your phone to send the installation ID to Microsoft and then type the activation numbers back on your device. If you try to re-activate again over the web, you must activate over the phone using the automatic system. Microsoft allows only a single online/internet-based activation of Office within a certain time period. Note: See this article if you wish to back up Windows activation.

Reinstall office 2013