Recover lost or deleted files - Microsoft Support
If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version.Previous versions are copies of files and folders that Windows automatically saves as part of a restore point.
Secure messages by using a digital signature in Outlook
To verify that your digitally signed message was received unaltered by the intended recipients, select the Request S/MIME receipt for all S/MIME signed messages check box. You can request notification telling you who opened the message and when it was opened, When you send a message that uses an S/MIME return receipt request, this verification information is returned as a message sent to your ...
Applies To: Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, New Outlook for Windows
Find the settings/tools/internet options in Microsoft Edge
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Reduce the file size of your PowerPoint presentations
Delete image editing data and lower default resolution. By default, when you edit an image, the data from the original is retained (to ensure the image can be restored).
Applies To: PowerPoint for Microsoft 365, PowerPoint 2024, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Use the System File Checker tool to repair missing or corrupted system ...
Swipe in from the right edge of the screen, and then tap Search.Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.Type Command Prompt in the Search box, right-click Command Prompt, and then click Run as administrator.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
Shut down, sleep, or hibernate your PC - Microsoft Support
Turn your PC off completely. To shut down, select Start and then select Power > Shut down .. Sleep. Sleep uses very little power, your PC starts up faster, and you’re instantly back to where you left off.
Change or update your email password in Outlook for Windows
If you intend to change your email password, you must do that with your email provider (e.g., Microsoft 365, Gmail, Yahoo, iCloud, Xfinity, or a corp. Exchange server).
Applies To: Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, New Outlook for Windows
Import photos and videos from an iPhone to PC - Microsoft Support
Select Import > From a USB device, then follow the instructions.You can pick the items you want to import and select where to save them. Allow a few moments for detection and transfer.
Hide, unhide, mute, pin, or mark a chat as unread in Microsoft Teams
There are numerous ways to organize your chats in Microsoft Teams. Hide or mute chat conversations from your chat list to stop receiving notifications or pin frequent conversations to the top of your chat list for quick access.
Applies To: Microsoft Teams, Microsoft Teams for Education, Microsoft Teams small business
Tips to improve PC performance in Windows - Microsoft Support
One of the best ways to get the most out of your PC is to make sure you have the latest version of Windows 11 installed. When you check for updates, your PC will also search for the latest device drivers, which can also help improve your PC’s performance.