Microsoft prioritizes account security and works to prevent people from signing in without your permission. When we notice a sign-in attempt from a new location or device, we help protect the account by sending you an email message and an SMS alert. If your phone number or email changes, it's important to promptly update the security contact info on the Security basics page so we can work with ...

You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.

These steps are the same whether you're adding your first iCloud email account or additional iCloud accounts to Outlook. Select a tab option below for the version of Outlook you're using. What version of Outlook do I have?

A contact list is a collection of email addresses and is useful for sending email to a group of people. If you want more robust functionality with your contact list, consider creating a Group in Outlook. Check out Learn about Groups in Outlook to see how you can share an inbox, calendar, and files. Select a tab option below for the version of Outlook you're using. What version of Outlook do I ...

SharePoint is a browser-based app that you connect to through your web browser. With SharePoint, you can do many things, such as: uploading and sharing files to your document library, collaborating on files with others, creating a team site or communication site, and more. If your organization has assigned you a license that includes SharePoint, you can sign in. In this article, we discuss the ...

When you enable an add-in, it adds custom commands and new features to Microsoft 365 programs that help increase your productivity. Because add-ins can be used by attackers to do harm to your computer, you can use add-in security settings to help protect yourself.

IMAP and POP are two methods to access email. IMAP is the recommended method when you need to check your emails from several different devices, such as a phone, laptop, and tablet. IMAP IMAP allows you to access your email wherever you are, from any device. When you read an email message using IMAP, you aren't actually downloading or storing it on your computer; instead, you're reading it from ...

Learn more about the advanced security features for Outlook.com that come with an Office 365 Home or Office 365 Personal subscription.

Notes: By default, all searches are AND searches. You must capitalize the NOT and OR operators. Otherwise, Bing will ignore them as stop words, which are commonly occurring words and numbers that are omitted to speed a full-text search. Stop words and all punctuation marks, except for the symbols noted in this topic, are ignored unless they are surrounded by quotation marks or preceded by the ...