使用 Microsoft 登录
登录或创建帐户。
你好,
使用其他帐户。
你有多个帐户
选择要登录的帐户。
Track my Microsoft Rewards orders - Microsoft Support
If you want to track your Microsoft Rewards order after you redeem an award, sign in to the Rewards page with your Microsoft account, select Redeem and then select Order history. On the Order history page, find your order and then look under Status. Open Rewards dashboard. You can also track your order in the confirmation email that was sent to ...
Troubleshoot the Teams Meeting add-in in Outlook for Windows
In Outlook, on the File tab, select Options. If the Teams Meeting Add-in is listed in the Disabled Application Add-ins list, under Manage, select COM Add-ins, and then select Go…. Select the Microsoft Teams Meeting Add-in for Microsoft Office checkbox. Choose OK on all dialog boxes, and then close Outlook. Restart Outlook.
适用于: Outlook 2021, Outlook 2019, Outlook 2016
Fix printer connection and printing problems in Windows
Open Get Help. If the Get Help app is unable to resolve your printer issue, try the possible solutions listed: Step 1. Unplug and restart your printer. Step 2. Check cables or wireless connection. Step 3. Uninstall and reinstall your printer.
COUNTIFS function - Microsoft Support
COUNTIFS (criteria_range1, criteria1, [criteria_range2, criteria2]…) The COUNTIFS function syntax has the following arguments: criteria_range1 Required. The first range in which to evaluate the associated criteria. criteria1 Required. The criteria in the form of a number, expression, cell reference, or text that define which cells will be ...
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App
Open the Camera in Windows - Microsoft Support
Windows 11 Windows 10. To open up your webcam or camera, select the Start button, then select All apps, and then select Camera in the list of apps. If you have multiple cameras, you can switch between them by selecting Change Camera at the top right once the Camera app is opened. Open Camera.
Delay or schedule sending email messages in Outlook
Schedule a message for later. While composing a message, select the dropdown next to Send and select Schedule send. Select one of the default options, then select Send or choose a custom time and then select Send . After you select Send, the message remains in the Draft folder until the delivery time.
适用于: Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 网页版, Outlook.com, 新的 Outlook for Windows, 适用于 Exchange Server 2016 的 Outlook 网页版, 适用于 Exchange Server 2019 的 Outlook 网页版
Freeze panes to lock rows and columns - Microsoft Support
Select View > Freeze Panes > Freeze First Column. The faint line that appears between Column A and B shows that the first column is frozen. Freeze the first two columns. Select the third column. Select View > Freeze Panes > Freeze Panes. Freeze columns and rows. Select the cell below the rows and to the right of the columns you want to keep ...
适用于: Microsoft 365 专属 Excel, Excel 网页版, Excel 2021, Excel 2019, Excel 2016
Manage updates in Windows - Microsoft Support
Select Start > Settings > Windows Update . Select Schedule the restart and choose a time that's convenient for you. Note: You can set active hours to make sure your device only restarts for updates when you're not using your PC. Get updates when you're away from your PC with active hours in Windows. Open Windows Update.
Encrypt email messages - Microsoft Support
In an email message, choose Options, select Encrypt and pick the encryption that has the restrictions you want to enforce, such as Encrypt-Only or Do Not Forward. Note: Microsoft 365 Message Encryption is part of the Office 365 Enterprise E3 license. Additionally, the Encrypt-Only feature (the option under the Encrypt button) is only enabled ...
适用于: Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016
Merge and unmerge cells - Microsoft Support
Merge cells. Select the cells to merge. Select Merge & Center. Important: When you merge multiple cells, the contents of only one cell (the upper-left cell for left-to-right languages, or the upper-right cell for right-to-left languages) appear in the merged cell. The contents of the other cells that you merge are deleted.
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel for iPad, Excel for iPhone