Invisible digital signatures in Word, Excel, or PowerPoint. An invisible digital signature, like a visible digital signature line, assures the authenticity, integrity, and origin of a document.

Learn how to run a disk cleanup in Windows including deleting temporary and system files to free up disk space.

You can right-click the contact group and select Delete from the menu or click the group, then select Delete from the Ribbon.. Contacts are not deleted, only the contact list.

Learn how to connect to a projector or to another PC in Windows using the keyboard shortcut "Windows logo key + P", the Connect app (for Windows 10), or the Wireless Display app (for Windows 11).

Sometimes you need to make a change to your email account settings. If you have a new password, if your email provider has asked you to change settings, or if you're having problems with sending and receiving email, you can change your email account settings through Mail in the Windows Control Panel, or from Outlook.

Learn how to use voice access for accessibility. This page includes accessibility help articles for people who use Windows voice access to control their PC and author text using their voice.

To check on the recall in classic Outlook. After submitting a recall request, usually less than 30 seconds later, you will get an email notification with the subject "Message Recall Report for message [original message subject]".

To keep an area of a worksheet visible while you scroll to another area of the worksheet, go to the View tab, where you can Freeze Panes to lock specific rows and columns in place, or you can Split panes to create separate windows of the same worksheet.

Take a closer look at the macro . You can learn a little about the Visual Basic programming language by editing a macro. To edit a macro, in the Code group on the Developer tab, click Macros, select the name of the macro, and click Edit.This starts the Visual Basic Editor.

Step 2: Back up your folders. Windows Backup is an easy, single stop for all of your backup needs. Your free Microsoft account comes with 5 GB of OneDrive cloud storage (and more storage is available if you need it), and backing up your folders syncs the folders you specify to your OneDrive account, making them instantly accessible on all computers that you use with this Microsoft account.