Change your desktop background image - Microsoft Support
In the list next to Personalize your background, select Picture, Solid color, Slideshow, or Windows Spotlight (to see a new image from around the world every day).
Open and use a shared mailbox in Outlook - Microsoft Support
Learn how to open a shared mailbox in Outlook. Shared mailboxes let a group of users view and send email, and share a calender, and open a contact list from a common mailbox.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office 365 Small Business, Microsoft 365 admin, Outlook on the web, New Outlook for Windows
How to use multiple monitors in Windows - Microsoft Support
Learn how to connect your Windows PC to external monitors and adjust the display settings.
Which version of Windows operating system am I running?
Learn how to find which version of Windows operating system your PC is running and device specifications.
App permissions - Microsoft Support
Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.
How to find and enable missing Copilot button in Microsoft 365 apps
Copilot is available in the Home tab of Word, Excel (Preview), PowerPoint, and Outlook if you are a Copilot subscriber. If you also have a Microsoft 365 subscription that includes the Microsoft 365 desktop apps then you should find Copilot available in those apps as well.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, OneNote for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac
Change your password in Outlook.com - Microsoft Support
Enter your current password, enter your new password, and then select Save.
Applies To: Outlook.com
Change screen brightness in Windows - Microsoft Support
Get steps for how to change screen brightness in Windows.
Change desktop background and colors - Microsoft Support
Learn how to change your Windows desktop background (wallpaper) and accent color using personalization settings.
Personalize your lock screen - Microsoft Support
Learn how to personalize a Windows lock screen with a background photo, slideshow, or app notifications.