了解如何更改 Windows 中显示器的刷新率，以确定在屏幕上显示运动的平滑程度。

Learn how to open an encrypted email in Outlook, Outlook on the web, or read a protected message with a single-use code.

Create a channel in Microsoft Teams by selecting Create channel from the menu next to the channel name.

Open Outlook in safe mode. If Outlook won't open, try opening it in safe mode, which disables add-ins.

Insert PDF content into your presentation either as a picture that shows on your slide, or as a document that you can open during your slide show.

Find out how to install the latest driver for your printer. If you recently upgraded Windows, your printer driver might need to be reinstalled.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Sign out of Teams. While it's a good idea to remain signed in to continue receiving chats, notifications, incoming calls, and other activities, sometimes you might want to sign out of Teams to use another account or for other reasons.

Learn how to turn on automatic app updates in Microsoft Store.

No action is required. This information is to allow you sufficient time to plan and we will share additional updates as the date approaches.