Note: If either your Outlook.com mailbox or your OneDrive storage is full, you cannot send or receive email.Check your Outbox or your mailbox storage to see what's taking up space. Learn more.

Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.

Personal Vault is a protected area in OneDrive where you can store your most important or sensitive files and photos without sacrificing the convenience of anywhere access.. We guide you through setting up your Personal Vault with a strong authentication method or a second step of identity verification, such as your fingerprint, face, PIN, or a code sent to you via email or SMS.

To save time on tasks you do often, bundle the steps into a macro. First, you record the macro. Then you can run the macro by clicking a button on the Quick Access Toolbar or pressing a combination of keys.

Review the warranty terms, check your warranty status, and learn about the protection plans for your Microsoft device or accessory.

Outlook.com support categories. Email | Calendar | People & Contacts | Files & attachments | To Do | Premium | Account | Troubleshoot. Trending topics in Outlook.com. To change your Mail settings so your inbox looks and behaves the way you want it to, see Personalize your new Mail experience in Outlook.com.Also check out the Outlook.com Community forum.

As your everyday AI companion, Microsoft Copilot assists you with everything from starting with a blank page to finding the perfect words. It simplifies tasks, boosting your productivity and ensuring you focus on what matters most.

In Windows 11, it is essential that you link your Microsoft account with the Windows 11 digital license on your device. Linking your Microsoft account with your digital license allows you to reactivate Windows using the Activation troubleshooter whenever you make a significant hardware change.

Disk Management in Windows helps you perform advanced storage tasks like initializing a new drive and extending or shrinking volumes.

Argument name. Description. lookup_value (required). The value you want to look up. The value you want to look up must be in the first column of the range of cells you specify in the table_array argument. For example, if table-array spans cells B2:D7, then your lookup_value must be in column B.. Lookup_value can be a value or a reference to a cell.. table_array (required)