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Check or change language settings - Microsoft Support
Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.
适用于: Outlook.com, Microsoft Edge, OneDrive (家庭或个人)
View your PC info - Microsoft Support
Type about in the search box on your taskbar, and then select About your PC.. View your PC info
Product Key für Windows finden - Microsoft-Support
Erfahren Sie, wie Sie einen Windows-Product Key für die Aktivierung finden und wann Sie stattdessen eine digitale Lizenz verwenden.
适用于: Microsoft 帐户仪表板
Contact Microsoft Office Support - Microsoft Support
Contact Microsoft Office Support. Professional Direct Support for Microsoft 365 provides additional advisory support and proactive services to help plan, implement, maintain, and optimize Microsoft 365 solutions that align to your business's needs, as well as reactive support to assist you along the way.
Install Quick Assist - Microsoft Support
To pin Quick Assist to your taskbar so you can quickly get back to it, after Quick Assist is open, right-click (or press and hold) the icon on your taskbar > Pin to taskbar. If the old app icon still appears on your device, make sure you select the new app icon.
Change or update your email password - Microsoft Support
Change your password for third-party providers (such as Gmail, Yahoo, Apple, Xfinity, and more)
适用于: Microsoft 365 专属 Outlook, Microsoft 365 Mac 版专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 管理员, 新的 Outlook for Windows
Upgrade to Windows 10: FAQ - Microsoft Support
An upgrade moves your PC from a previous version of Windows—such as Windows 7 or Windows 8.1—to Windows 10. An upgrade can take place on your existing device, though Microsoft recommends using Windows 10 on a new PC to take advantage of the latest features and security improvements.
Calculate the difference between two dates - Microsoft Support
As you saw above, the DATEDIF function calculates the difference between a start date and an end date. However, instead of typing specific dates, you can also use the TODAY() function inside the formula. When you use the TODAY() function, Excel uses your computer's current date for the date.
适用于: Microsoft 365 专属 Excel, Excel 2021, Excel 2019, Excel 2016
Recall an email message that you sent in Outlook
At the top of the page, select Settings > Mail > Compose and reply. Under Undo send, choose the how long Outlook.com will wait to send your messages. Select Save. Undo sending in Outlook.com. Once undo send is set up, you'll see an Undo send prompt at the bottom of the message list whenever you send a new message. The prompt will be available ...
适用于: Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 管理员, Outlook 网页版, Outlook.com, 新的 Outlook for Windows
How to sign in to Hotmail - Microsoft Support
Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.
适用于: Outlook.com