Download the offline installer from your account portal. To download the offline installer, go to www.office.com. If you're not already signed in with the Microsoft account associated with your copy of Microsoft 365 or Microsoft 365 do that now.

Having trouble connecting to your email from Outlook on your desktop? Follow these steps to let Outlook diagnose and fix errors in your Outlook mail profile that might be causing the issue.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track. Run the System File Checker tool (SFC.exe)

Add Authenticator as a way to sign in every time. Using a one-time password code increases account security. This is called two-step verification. Add Authenticator as the only way to sign in - just tap an approval on your phone to sign in. This is called going passwordless.

Use the Quick Assist web app to get help with your computer directly from Microsoft support agents. The app connects your computer with the Microsoft support agent’s computer using a remote connection.

You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.

If you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out, here are some solutions.

The new Outlook for Windows will launch into the first account on your list in Windows Mail. If Outlook can't sign you in automatically, manually type in the account and sign in. Select Import Settings on the dialog that appears to bring over your settings or choose Skip.

To use Microsoft 365 on your new device, you can activate Microsoft 365 as a 1-month trial of Microsoft 365 Family. You can also buy Microsoft 365 or a non-subscription version of Office, add Microsoft 365 to an existing Microsoft 365 subscription, or enter a product key from a new product key card.

There are many different types of email accounts you can add to Outlook, including an Outlook.com or Hotmail.com account, the work or school account you use with Microsoft 365, Gmail, Yahoo, iCloud, and Exchange accounts. Select a tab option below for the version of Outlook you're using.