Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.

Get the latest info on new features for Microsoft Teams with these regularly updated release notes.

Summary. Microsoft Update Health Tools is offered to devices through Windows Update as update KB4023057. This update is applicable for both Windows consumer and commercial devices, with a slightly different purpose and functionality.

Learn how to use Microsoft Edge for mobile devices, sync your browser data, and get answers to common questions.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

新增或變更含有預先選取或自定義色彩的檔背景、填滿漸層、材質或餅圖等效果，或使用圖片。

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

Learn how you can manage cookies and site data you've temporarily allowed in Microsoft Edge.

Learn how you can get the latest available features and enhancements if you have Windows 11, version 22H2 or later.

Important: Reactions are only available to individuals using a work or school account in Outlook with a qualifying Microsoft 365 subscription.