Fix problems that block programs from being installed or removed ...
Block you from uninstalling a program through Add or Remove Programs (or Programs and Features) in Control Panel. If you're trying to remove malware, you can use Windows Security (or another antivirus tool), or you can use the Windows Malicious Software Removal tool.
Recover lost or deleted files - Microsoft Support
If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version.
Avoid and report Microsoft technical support scams
If you feel like you’ve been the target of a technical support scam, you can help Microsoft stop cybercriminals by reporting it. Learn more about avoiding technical support scams.
Change your Office product key - Microsoft Support
This article applies to Office Home & Business, Office Professional, and individually purchased Office apps. To switch an Office install to or from Microsoft 365, see Switch your Office license.
Applies To:
OneNote for Microsoft 365, Visio Plan 2, OneNote for Microsoft 365 for Mac, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, OneNote 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016
Redeem a gift card or code to your Microsoft account
Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.
Applies To:
Microsoft account dashboard
Where to enter your Office product key - Microsoft Support
If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription. Tip: Get tech expertise with Business Assist.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office for business
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Open and find items in an Outlook Data File (.pst)
If you use a POP or IMAP account, then all of your Outlook information is stored in an Outlook data file, also known as a Personal Folders File (.pst). You might also use an Outlook data file to backup messages or store older items to keep the size of your mailbox small.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Solve PC problems remotely with Remote Assistance and Easy Connect
You can also use Quick Assist to give and receive remote assistance. Remote Assistance and Easy Connect let someone you trust take over your Windows 10 PC and fix a problem from wherever they are.
Open a document after a file corruption error - Microsoft Support
The Open and Repair command might be able to recover your file. Click File > Open > Browse and then go to the location or folder where the document (Word), workbook (Excel), or presentation (PowerPoint) is stored. Don't try to open the file from the Recent section as this won't go into the Open dialog box.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Word 2021, Word 2019, Excel 2016, Word 2016, PowerPoint 2016