Microsoft 365 help & learning
Protect your most important files, like your passport, driver’s license, or insurance information with OneDrive Personal Vault. Start using Personal Vault. Meet Microsoft Defender. Protect your digital life and all of your devices - Windows, Mac, iOS, or Android - so you and your family can have more peace of mind.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Microsoft 365 for Mac, Microsoft 365 for Windows
KB5028997: Instructions to manually resize your partition to install ...
Windows 10 Windows 10, version 1607, all editions Windows Server 2016, all editions Win 10 Ent LTSC 2019 Win 10 IoT Ent LTSC 2019 Windows 10 IoT Core LTSC Windows Server 2019 Windows 10 Enterprise and Education, version 21H2 Windows 10 IoT Enterprise, version 21H2 Windows 10 Enterprise Multi-Session, version 21H2 Windows 10, version 22H2, all editions Windows 11 version 21H2, all editions ...
查看和删除 Microsoft Edge 中的浏览器历史记录 - Microsoft 支持
信息类型. 将删除的内容. 存储的内容. 浏览历史记录. 所访问站点的 url，以及每次访问的日期和时间。 在你的设备上（如果打开了同步，则在所有已同步设备上）
Digital signatures and certificates - Microsoft Support
Certificate authority (CA) A certificate authority is an entity similar to a notary public.It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Visio Professional 2021, Visio Standard 2021, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Visio Professional 2016, Visio Standard 2016
Welcome to your email - Microsoft Support
Change the appearance of your email. Select View.. From here, you can: Change the size of the Folder Pane.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Calculate the difference between two times - Microsoft Support
On the Home tab, in the Number group, click the arrow next to the General box, and then click More Number Formats.
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Windows Startup Settings (including safe mode) - Microsoft Support
Safe mode starts Windows with a minimal set of drivers and services to help troubleshoot issues. If a problem doesn't reappear when you start your PC in safe mode, you can eliminate the default settings and basic device drivers and services as possible causes.
Create a SmartArt graphic from scratch - Microsoft Support
To add text, like a title, in an arbitrary position close to or on top of your SmartArt graphic, on the Insert tab, in the Text group, click Text Box to insert a text box. If you want only the text in your text box to appear, right-click your text box, click Format Shape or Format Text Box, and then set the text box to have no background color and no border.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016
Outlook training - Microsoft Support
Training: Learn how to use Outlook in Windows, MacOS, iOS or Android, and Outlook on the web through a series of Outlook training courses.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office for business
Microsoft Teams video training - Microsoft Support
Training: Watch these videos to help your school, work, or organization use Microsoft Teams to video conference, work remotely, and become proficient using Teams.
Applies To:
Microsoft Teams