Open and find items in an Outlook Data File (.pst)
Describes how to investigate items in an Outlook Data File (.pst) and troubleshoot search issues.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
How to install programs from a disc on Windows 10
See how to install programs on Windows 10 from a CD or DVD, from the internet, or from Microsoft Store.
Create and print a single envelope - Microsoft Support
Add a delivery and return address to a single envelope, set printer options, adjust for envelope size, and save or print.
Applies To:
Word for Microsoft 365, Word 2021, Word 2019, Word 2016, Word 2013
Advanced startup options (including safe mode) - Microsoft Support
See a list of options available for starting Windows in diagnostic modes such as safe mode.
Hide or show rows or columns - Microsoft Support
How to hide and unhide columns and rows in an Excel worksheet. Restrict access to only the data you want to be seen or printed.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
更改桌面背景图像 - Microsoft 支持
在 “个性化设置背景”旁边的列表中，选择“图片”、“ 纯色”、“ 幻灯片放映”或“ Windows 聚焦 (”，) 查看来自世界各地的新图像。
Repair an Office application - Microsoft Support
Repair broken Office app installations. Depends on your Office installation type (Click-to-run or MSI-based), you'll see the following options to proceed with the repair.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, 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, 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, InfoPath 2013, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
About Windows backup and sync settings - Microsoft Support
Windows backup and sync settings sync the settings you choose across all your Windows devices that you've signed in to with your Microsoft account.
Applies To:
Microsoft account dashboard
Troubleshoot Outlook email setup - Microsoft Support
Learn how to troubleshoot and fix problems setting up your email in Outlook.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin
Sign in and start apps from the My Apps portal - Microsoft Support
An icon is added to the right of your Address bar, letting you sign in and customize the extension. To change your My Apps portal using the extension