Note: In earlier versions of Outlook, IMAP accounts also used an Outlook Data File (.pst).In Outlook 2016 and Outlook for Microsoft 365, IMAP accounts use Offline Outlook Data Files (.ost). You can also use an Outlook Data File (.pst) to backup or export items from any type of email account.

Windows share window: Select the Outlook icon in the “Share using” section of the Windows share window to email your files using Outlook directly within the windows share window.It also has a search box. So, you can now search for contacts across Outlook to share a file. The Windows share window also displays 8-10 suggested contacts to quickly share to–including emailing yourself a file.

Note: To let a user enter percentages, for example 20%, select Decimal in the Allow box, select the type of restriction that you want in the Data box, enter the minimum, maximum, or specific value as a decimal, for example .2 , and then display the data validation cell as a percentage by selecting the cell and clicking Percent Style in the Number group on the Home tab.

To find Sync settings, select Start , then select Settings > Accounts > Sync your settings . Choose from settings such as language preferences, passwords, and color themes. If you turn on Other Windows settings, Windows also syncs some device settings (for things like printers and mouse options), File Explorer settings, and notification preferences.

键盘快捷方式是键或键组合，提供了一种替代通常使用鼠标完成的任务的替代方法。 如果要拍摄屏幕截图或截屏，请参阅 如何获取屏幕截图并向其添加注释。. 本文包括分类为的键盘快捷方式列表：

When you need to protect the privacy of an email message, encrypt it. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text.

To add another account to OneDrive on your computer. If you already have a personal OneDrive account set up, you can only add work or school accounts.

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

If you continue to experience issues signing in with your original profile, disable Windows Defender services: Open the Services app by typing services in the search box on the task bar and selecting it from the list of results. Then, find the Windows Defender Advanced Threat Protection and Microsoft Defender Antivirus services, right-click each of them, select Properties , and change Startup ...

Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features.