Add or subtract days, months, or years from a date by using a formula or date functions in Excel.

Learn how to add an app to run automatically at startup. Select the Start button and scroll to find the app you want to run at startup.

Training: With OneDrive, you can sync files between your computer and the cloud, so you can get to them from anywhere.

Use the XLOOKUP function when you need to find things in a table or a range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term, and return a result from the same row in another column, regardless of which side the return column is on.

Outdated software can cause problems with a Windows upgrade, so removing old or nonessential applications can help. If you plan to reinstall the application later, make sure you have the installation media and all required activation information before removing it.

Microsoft removed the ability to connect new third-party accounts such as a Gmail account and sync existing connected accounts from within Outlook.com.

Change your screen saver settings. 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.

Attach pictures and other files to your emails, meetings, and appointments.

View your Outlook email messages arranged by conversations to see messages that share the subject line grouped together.

Set up your system to use Visio Viewer with Microsoft Edge in IE mode. Behind the scenes, Visio Viewer needs the help of a Microsoft web browser to view Visio drawings.