Fix problems that block programs from being installed or removed
The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.
Forgotten your Microsoft account username - Microsoft Support
Look up a forgotten username using other information. Look up your username using your security contact phone number or email address. Search. Request a security code to be sent to the phone number or email you used.. Enter the code and select Next.. We'll then show a hint of the username, in this format: j*****@outlook.com
与我们联系 | Xbox Support
需要有关 Xbox 主机、Xbox 游戏或 Xbox 网络的帮助?了解如何与我们联系。
Get Windows updates as soon as they're available for your device
We're committed to delivering continuous innovation by releasing new features and enhancements into Windows 11 more frequently. Windows devices get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR). ...
Contact us | Xbox Support
Need help with an Xbox console, an Xbox game or Xbox network? Find out how to get in touch with us.
Office Deployment Tool - Microsoft Support
Office Deployment Tool. If you’re an administrator, you can use the Office Deployment Tool to manage your Office 2016 Click-to-Run deployment options, such as installations sources, product and language combinations, or deployment configuration options.
Fix problems with apps from Microsoft Store
See also. If you can't find Microsoft Store, see Trouble finding Microsoft Store in Windows 10. If you're having trouble launching Microsoft Store, see Microsoft Store doesn't launch. If you can launch the Microsoft Store but you are just having trouble finding or installing an app, see I can't find or install an app from Microsoft Store. Need more help?
Repair Outlook Data Files (.pst and .ost) - Microsoft Support
Note: The scan creates a backup file during the repair process.To change the default name or location of this backup file, in the Enter name of backup file box, enter a new name, or choose Browse to select the file you want to use. You may need to run the tool several times in order to repair your Outlook Data File.
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Microsoft Office
Internet Explorer Downloads - Microsoft Support
Microsoft Edge is the recommended browser by Microsoft. Support for Internet Explorer ended on June 15, 2022. Internet Explorer 11 has been permanently disabled through a Microsoft Edge update on certain versions of Windows 10.
Account & profile | Xbox Support
Find everything you need to manage your Xbox account, profile, and more.