If you've forgotten your password and know the email address for your Microsoft account, you can reset your password online by verifying your identity using other information.

Describes how to investigate items in an Outlook Data File (.pst) and troubleshoot search issues.

Learn how to use Azure Authenticator with Microsoft 365. It makes 2-step verification really easy!

Want to add a padlock to your email messages? You can use S/MIME in Outlook on the web to increase the security of messages. A digitally encrypted message can only be opened by recipients who have the correct key.

To return to the original settings later, go to Design > Paragraph Spacing and choose the option under Style Set.This may be Default or the name of style you’re currently using.. Change the line spacing in a portion of the document. Select one or more paragraphs to update.

Learn about Outlook.com encrypted messages. Discover how to encrypt an email in Outlook, send an encrypted email, and read an encrypted email.

Use Power Query in Excel to import data into Excel from a wide variety of popular data sources, including CSV, XML, JSON, PDF, SharePoint, SQL, and more.

Describes how to define rules for automatic forwarding and redirection.

Office add-ins can help you personalize your documents or speed up the way you access information on the web. For example, with an add-in you could look up items on Wikipedia or add an online map to your document without having to leave Excel.

Learn how to use Microsoft Edge for mobile devices, sync your browser data, and get answers to common questions.