Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
How to set your time and time zone - Microsoft Support
In Date & time, you can choose to let Windows 10 set your time and time zone automatically, or you can set them manually.. To set your time and time zone in Windows 10, go to Start > Settings > Time & language > Date & time.. Open Date & time settings
为升级 Windows 11 准备就绪 - Microsoft 支持
安装 Windows 11. 在针对你的特定电脑测试和验证 Windows 11 升级后,Windows 更新将指示它已准备好安装。 若要检查 Windows 11 是否已为你的设备准备就绪,请转到“开始” “设置” >“更新和安全性” >“Windows 更新” ,然后选择“检查更新”。 如果升级适用于你的设备,并且想要继续,请下载并安装它。
Move your files to a new Windows PC - Microsoft Support
You'll need: A OneDrive storage location. Internet access. Move files to a new Windows PC using an external storage device. You'll need: An external hard drive or network drive. Note: If you're moving from a Windows 7 PC rather than a Windows 10 PC, see Moving to a Windows 10 PC for info on how to bring your files with you.
Keyboard shortcuts in Windows - Microsoft Support
Text editing shortcuts. Dialog box shortcuts. Virtual Desktop shortcuts. File Explorer shortcuts. Command prompt shortcuts. Taskbar shortcuts. Copy, paste and other basic shortcuts. Select the option (s) below to see the list of associated shortcuts.
Calculate the difference between two dates - Microsoft Support
Use the DATEDIF function when you want to calculate the difference between two dates. First put a start date in a cell, and an end date in another. Then type a formula like one of the following. Warning: If the Start_date is greater than the End_date, the result will be #NUM!.
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Use inbox rules in Outlook - Microsoft Support
Edit an inbox rule in new Outlook for Windows. At the top of the page, select Settings . Select Mail > Rules. In the rule you want to edit, select . Press Save to save your edited rule. Note: Some rules created in other versions of Outlook can't be processed by Outlook on the web. You won't be able to run or edit the rule in Outlook on the web.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, Outlook on the web, Outlook.com, New Outlook for Windows
I forgot the username or password for the account I use with Microsoft ...
Microsoft 365 for business. If your Microsoft 365 product is one of the following, you have a Microsoft 365 for business product. These products are usually associated with a work or school account, and your Microsoft 365 license (if your subscription has one) came from the organization where you work or go to school.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel 2021, Word 2021, Outlook 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, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, OneNote 2019 for Mac, Office 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, OneNote for Mac, SharePoint in Microsoft 365, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Activation, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Project for Office 365
Open and find items in an Outlook Data File (.pst)
In Outlook on your desktop, choose File > Open & Export > Open Outlook Data File. Choose the Outlook data file you want to open. Expand the top level of the Outlook data file in the Outlook Navigation pane to see the subfolders in the file. Click each subfolder to see the contents. To search for a specific email, use Outlook's built-in search ...
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Dir 函数 - Microsoft 支持
在 Microsoft Windows 中, Dir 支持使用多字符 ( *) 和单字符 ( ?. ) 通配符来指定多个文件。. 在 Macintosh 上,这些字符被视为有效的文件名字符,不能用作指定多个文件的通配符。. 由于 Macintosh 不支持通配符,请使用文件类型来标识文件组。. 可以使用 MacID 函数指定 ...
Applies To: Access for Microsoft 365, Access 2021, Access 2019, Access 2016
Add or manage a Yahoo! email account in Outlook
Add a new Yahoo email account. On the View tab, select View settings. Select Accounts, then Email accounts. Tip: If your Settings window doesn't look like this, you might be using classic Outlook. Select + Add Account. Enter the Yahoo! account you want to add and select Continue. On Sync your Yahoo account, select Continue.
Applies To: Outlook for Microsoft 365, New Outlook for Windows