Change your screen saver settings - Microsoft Support
Select the Start button, then go to Settings > Personalization > Lock screen, and select Screen saver settings.In the Screen Saver Settings window, choose a screen saver from the drop-down list. Change your screen saver settings
Repair Outlook Data Files (.pst and .ost) - Microsoft Support
Note: The scan creates a backup file during the repair process.To change the default name or location of this backup file, in the Enter name of backup file box, enter a new name, or choose Browse to select the file you want to use. You may need to run the tool several times in order to repair your Outlook Data File.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Windows 10 and Windows 11 in S mode FAQ - Microsoft Support
To increase security and performance, Windows 11 in S mode only runs apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, or if you have Windows 10 Pro, Enterprise, or Education and want to upgrade to Windows 11, you'll need to permanently switch out of S mode.
屏幕镜像和投影到电脑或无线显示器 - Microsoft 支持
注意: 无线显示应用在运行 Windows 11 版本 22H2 及更高版本的设备上可用。如果运行的是早期版本的 Windows,请在任务栏的搜索框中输入 “连接”,然后在结果列表中选择“连接”,从而启动 “连接” 应用。 若要了解正在运行的 Windows 版本,请参阅 我运行的是哪个版本的 Windows 操作系统?
Encrypt messages by using S/MIME in Outlook on the web
Install the S/MIME control. Get a certificate, sometimes referred to as a key or digital ID. The first step to use S/MIME is to obtain a certificate from your IT administrator or helpdesk.
Applies To: Outlook.com, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
View and manage your subscriptions on Xbox | Xbox Support
Press the Xbox button on your controller to open the guide, and then go to Profile & system > Settings > Account > Subscriptions.; Select the subscription that you want to manage.
Recall an email message that you sent in Outlook
Message recall is available after you select Send and is available only if both you and the recipient have a Microsoft 365 or Microsoft Exchange email account in the same organization.Messages sent to or from a Hotmail, Gmail, or live.com account can't be recalled.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, Outlook on the web, Outlook.com, New Outlook for Windows
Use Snipping Tool to capture screenshots - Microsoft Support
To capture a video snip, open Snipping Tool, select the Record button, then select New recording, or press Windows logo key + Shift + R.Select the area of the screen you wish to record, then select Start.When you are done, select Stop.At this point you can save the recording as-is or select Edit in Clipchamp to work with it in the Clipchamp video editor.
Turn Microsoft Defender Firewall on or off - Microsoft Support
Under Microsoft Defender Firewall, switch the setting to On.If your device is connected to a network, network policy settings might prevent you from completing these steps. For more info, contact your administrator.
Recall or replace a sent email - Microsoft Support
Try it! If you're using the Microsoft Outlook app or Outlook.com, and if you and your recipients are all on Microsoft Exchange or Microsoft 365 and in the same organization, you can recall or replace an email message that you sent.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016