Recover your Word files and documents - Microsoft Support
Decide which documents to recover from an unexpected close, delete recovered files you don't want, or close recovered files to review later.
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
激活 Windows - Microsoft 支持
了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。
Add or remove an email alias in Outlook.com - Microsoft Support
Create an alias to give you an additional email address which uses the same inbox, contact list, and account settings as your primary email address in Outlook.com.
Applies To:
Outlook.com
Device encryption in Windows - Microsoft Support
Device encryption helps protect your data and it's available on a wide range of Windows devices.
Restore deleted files or folders in OneDrive - Microsoft Support
Learn how to delete and restore files in OneDrive. Recover deleted files or folders from the OneDrive recycle bin.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
How to cancel or stop sync in OneDrive - Microsoft Support
Learn how to stop, cancel or pause uploads and downloads in OneDrive.
Applies To:
OneDrive (work or school), OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
Phishing and suspicious behavior in Outlook - Microsoft Support
Learn how to deal with phishing or spoofing scams or abusive messages in Outlook.com.
Applies To:
Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Outlook on the web, Outlook.com, New Outlook for Windows
OneDrive をオフにするか、無効にするか、アンインストールする
OneDrive は、一部の Windows のバージョンに組み込まれており、アンインストールすることができません。 ただし、同期処理を停止して、表示しないようにすることはできます。
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, OneDrive (work or school), Office.com, OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
Product activation for Windows – online & support telephone numbers
Learn how to activate Windows using an internet connection, automated system, or live support advocate.
Back up your folders with OneDrive - Microsoft Support
Learn how to create a OneDrive backup on your PC. Set up OneDrive PC folder backup to access, manage, stop, or fix problems with PC folder backup.
Applies To:
OneDrive for Business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows