Depending on how to get or purchase Office, the Office activation process may be different. Microsoft Office includes popular tools like Word, Excel, PowerPoint, Outlook, Access, etc. Free PC Backup Software to Keep Your PC Data Safe.How to Recover Deleted/Lost Office Documents for Free.Disadvantages of Not Activating Microsoft Office.How to Check If Your MS Office is Activated or Not.If you want to recover a deleted or lost Office document, you can use a free data recovery program – MiniTool Power Data Recovery. Check how to activate Microsoft Office for free and how to activate MS Office 365/2021/2019/2016/2013 with product key, KMS, etc. This post teaches you how to activate Microsoft Office.