Undo, redo, or repeat an action - Microsoft Support
Use undo or redo to remove or replace typed or pasted text or objects.
Applies To:
Excel for Microsoft 365, Word 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, Excel for the web, Word for the web, PowerPoint for the web, Excel 2021, Word 2021, PowerPoint 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016
How to use the taskbar in Windows - Microsoft Support
Learn how to use the taskbar features in Windows. Hide the taskbar, pin an app, change the location, and more with taskbar settings.
Obtain a digital certificate and create a digital signature
About digital signatures and certificates in Office, and buying a digital certificate from a certificate authority or create your own.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Word 2021, Word 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Office 2016, Excel 2013, Word 2013, Outlook 2013, PowerPoint 2013, Office 2013
Schedule a meeting or event in Outlook - Microsoft Support
Add a meeting subject, start time and end time, and location. In Outlook 2016 (or newer) and Outlook for Microsoft 365, you can start typing a location's name, for example, Fourth Coffee Shop or Conference Room 23, and Outlook will look for location matches.Select one of the suggestions to choose that location, or continue typing to enter another location.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, Outlook.com, New Outlook for Windows
Pin, remove, and customize in Quick access - Microsoft Support
Pin, remove, and customize in Quick access. By default, File Explorer opens to Quick Access. You can set a folder to show up in Quick access so it'll be easy to find.
COUNTIF function - Microsoft Support
How to use the COUNTIF function in Excel to count the number of cells that meet values you set.
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
Activa Bluetooth activa o desactiva en Windows
Esta es la manera de activar o desactivar Bluetooth en Windows 11: Sigue uno de estos procedimientos: En la barra de tareas, seleccione el icono Red. Seleccione la Bluetooth configuración rápida para activarla o desactivarla.
CONCATENATE function - Microsoft Support
Learn how to concatenate text strings in Excel using the CONCATENATE function. Our step-by-step guide makes it easy to join two or more text strings into one.
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
配置 Windows Hello - Microsoft 支持
了解如何使用 PIN、面部识别或指纹通过 Windows Hello 登录电脑。
Personalize your lock screen - Microsoft Support
Learn how to personalize a Windows lock screen with a background photo, slideshow, or app notifications.