Install Office updates - Microsoft Support
Learn how to update Microsoft Office on PC and troubleshooting tips for installing Office updates.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, InfoPath 2013, InfoPath Filler 2013
Upgrade to Windows 10 Pro - Microsoft Support
Learn how to upgrade Windows 10 Home to Windows 10 Pro to access more advanced security and networking features.
Change or update your email password - Microsoft Support
Change your password with your email provider. See the following sections for instructions on changing your email account password for several major email providers.
Applies To:
Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, New Outlook for Windows
Check grammar, spelling, and more in Word - Microsoft Support
Improve your writing skills with Word's tools for spelling, grammar, and clarity. Find out how to check and correct errors in your documents.
Applies To:
Word for Microsoft 365, Word for Microsoft 365 for Mac, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016
Recover and restore deleted items in Outlook - Microsoft Support
Learn how to recover deleted items, such as email, contacts, calendar appointments, and tasks in Outlook.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, Office 365 operated by 21Vianet, Outlook.com, New Outlook for Windows
Get help with Outlook.com - Microsoft Support
Get help with using mail, calendar, and contacts on Outlook.com.
Applies To:
Outlook.com
How to redeem gift cards and codes | Xbox Support
Learn how to redeem a Microsoft/Xbox gift card or other code on your mobile device, Windows device, or Xbox console.
Reactivating Windows after a hardware change - Microsoft Support
Learn how to prepare your Windows device for a hardware change and find help reactivating Windows after a hardware change is complete.
Open and run DxDiag.exe - Microsoft Support
Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.
在 Microsoft Teams 中创建群组聊天 (免费) - Microsoft 支持
了解如何在 Microsoft Teams 中创建、编辑和自定义群组聊天， (Android、iOS、Windows 和 Mac 设备上的免费) 。
Applies To:
Microsoft Teams, Microsoft Teams personal