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Open and close Outlook Data Files (.pst) - Microsoft Support
If you want to open or close an Outlook Data File (.pst), you can do that in a few simple steps. Note: If your organization has policies in place that archive email messages automatically, your older email messages, calendar events, and tasks might be stored in an archive Outlook Data File (.pst). Even if your account uses an offline Outlook ...
适用于: Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
使 - Microsoft
使用系统还原. Windows 10. 当安装新应用、驱动程序或 Windows 更新以及当手动创建还原点时,会使用系统还原生成还原点。. 还原不会影响你的个人文件,但会删除生成还原点后所安装的应用、驱动程序和更新。. 若要回退到还原点:. 选择" 开始 "按钮,然后在任务 ...
How to sign in to Outlook on the web - Microsoft Support
Sign in to Outlook on the web with your work or school account. Go to outlook.office.com. If you're not automatically signed in with your work or school account, follow the prompts to enter the email address and password for your work or school account. Follow any two-factor authentication prompts you may have previously set up for this account.
适用于: Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, Outlook 网页版, 适用于 Exchange Server 2016 的 Outlook 网页版
COUNTIF function - Microsoft Support
Argument name. Description. range (required). The group of cells you want to count. Range can contain numbers, arrays, a named range, or references that contain numbers. Blank and text values are ignored. Learn how to select ranges in a worksheet.. criteria (required). A number, expression, cell reference, or text string that determines which cells will be counted.
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
Make and receive phone calls from your PC - Microsoft Support
Open the Phone Link and select Calls. Open the Phone Link and select. Calls. . In the Search your contacts box, search for a contact name or number. Alternately, you can directly enter a phone number on the dial pad.
Hotmail - Microsoft
Microsoft では、他のユーザーが自分のアカウントに侵入しようとしている場合にのみ、異常なサインインアクティビティを常に監視しています。 他の場所に旅行している場合や、新しいデバイスを使用している場合、アカウントにアクセスしているのがご本人であるかどうかを確認することが ...
适用于: Outlook.com
Get help with Outlook.com - Microsoft Support
At the top of the page, select your name or account picture. Select My profile > Change password. Attach an email message to another message. In the message list, select the message you want to attach. Drag the message into the message compose pane. Position the mouse below the subject line and release it.
适用于: Outlook.com
Device protection in Windows Security - Microsoft Support
Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security. Notes: What you actually see on the Device security page may vary depending ...
Troubleshoot problems signing in to Windows - Microsoft Support
In some cases, you might not be able to sign-in without an Internet connection. Make sure you’re connected to the internet by selecting Network on the lock screen of your device. If you’re having problems connecting to Wi-Fi or the signal is weak, try connecting your device directly to the router or modem with an Ethernet cable.
What to do if Microsoft Edge isn't working - Microsoft Support
Here are some solutions to common problems with the new Microsoft Edge . If Microsoft Edge keeps crashing. If you can't open Microsoft Edge, or if it opens briefly and then closes, or if you’re unable to open specific webpages, here are some things you can try.