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

Format numbers in Excel. This topic lists the formats and provides brief descriptions.

When your old email address or phone number doesn't suit you anymore—but you want to retain your contacts, online storage, subscriptions, and settings—you can add a new email address or phone number as an alias to your existing Microsoft account.

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

Learn how to join a Microsoft Teams meeting by link, calendar, channel, chat, or by calling in.

This step-by-step article describes how to add, modify, or delete registry subkeys and values by using a Registration Entries (.reg) file.

With Power Query, you can search for data sources, make connections, and then shape that data (for example remove a column, change a data type, or merge tables) in ways that meet your needs. Once you’ve shaped your data, you can share your findings or use your query to create reports.

Linking to other workbooks is a very common task in Excel, but sometimes you might find yourself with a workbook that has links you can’t find even though Excel tells you they exist.

Microsoft Authenticator is a free app that helps you sign in to all your accounts without using a password - just use a fingerprint, face recognition, or a PIN.

Many users find that using Microsoft 365 apps with keyboard shortcuts on an external keyboard helps them work more efficiently. For users with mobility or vision disabilities, keyboard shortcuts can be easier than using the touchscreen, and are an essential alternative to using a mouse.