Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.

It's easy to attach pictures, files, and other items to your Outlook messages. Outlook keeps track of the documents you’ve recently worked on, whether they're stored on your computer or saved in OneDrive (cloud only).

The steps below will help you add a Gmail account to new Outlook, or manage an existing account by deleting it or making it your primary account. Add a new Gmail account. On the View tab, select View settings.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Choose how you want emails displayed in the message list, such as whether you want emails displayed as individual messages or as conversations.

Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.

This troubleshooter assists customers whose machines are not yet updated to the latest release, Windows 10 Version 1607. This update will initially be released only to a small set of targeted customers. This set will expand over time. Windows users can start the assistant from this article.

Obtenga información sobre como instalar Office 2013 en su PC u Office para Mac 2011.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Compose a message now, but schedule it to be sent later.