Get troubleshooting tips to fix problems with apps from Microsoft Store.

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

Get answers to some basic questions about what two-step verification is, and how to set it up and use it to help keep your Microsoft account more secure.

Creating a passkey. To create a passkey for your Microsoft account, follow these steps on the device for which you’d like to create a passkey:

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

Structured references make it easier to use formulas with Excel tables by replacing cell references, such as C2:C7, with predefined names for the items in a table.

Shrink the OS partition and prepare the disk for a new recovery partition. To shrink the OS, run diskpart

Create and send personalized email messages to everyone on your address list with mail merge.

Learn how to use your voice to create and edit documents in Word with the Dictate feature. Find out how to enable, customize, and troubleshoot Dictation.

Click New chat to start a one-on-one chat and send messages in Microsoft Teams. To start a group chat, just add people to the conversation.