How to use the SUMIF function in Excel to add the values in a range that meet criteria that you specify.

How to sort and organize your Excel data numerically, alphabetically, by priority or format, by date and time, and more.

Learn how to recover deleted items, such as email, contacts, calendar appointments, and tasks in Outlook.

Learn about Windows 11 minimum system requirements and how to assess your upgrade eligibility.

Choose how you want emails displayed in the message list, such as whether you want emails displayed as individual messages or as conversations.

Learn how to uninstall a Windows update, if for example that update is causing your system to have errors or other problems.

Learn how to use the taskbar features in Windows. Hide the taskbar, pin an app, change the location, and more with taskbar settings.

Keyboard shortcuts are keys or combinations of keys that provide an alternate way to do something you'd typically do with a mouse. Here’s the list for the new Microsoft Edge and Microsoft Edge for Mac.

Explore tips to change your Microsoft Teams background. Learn how to replace, blur, or change your Teams background image before or during a meeting.

If you’ve forgotten your Microsoft account password, learn how to do a password reset online or by using your Xbox console.