Learn how to concatenate text strings in Excel using the CONCATENATE function. Our step-by-step guide makes it easy to join two or more text strings into one.

This article answers common questions about Microsoft Authenticator. Select the headings below to see more information.

Training: Watch and learn how to create a PowerPoint presentation, add/format text, and add pictures, shapes, and/or charts.

Sharing OneDrive files, SharePoint files, or Lists with other people allows you to securely collaborate with people outside your organization.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Learn how to edit, upload, and manage your game clips and screenshots.

Important: Reactions are only available to individuals using a work or school account in Outlook with a qualifying Microsoft 365 subscription.

Learn how to use and install mobile apps on your Windows 11 PC with the Windows Subsystem for Android™.

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

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.