Your M365 account can be accessed by many popular email client software/program.
If the email client software/program you are using supports Exchange account type (for example, Microsoft Outlook (2010 or higher version is recommended), Microsoft Entourage 2008, or Apple Mail for Mac), you are highly recommended to set up your M365 account as an Exchange account rather than a POP or IMAP account in your email program. Exchange account type support more features than POP or IMAP account types. It can access all your data (including Email, Calendar, Contacts, etc.) in your M365 mailbox, while POP and IMAP account types can only access your email messages.
For the detailed procedure of setting up M365 account in Microsoft Outlook 2019 with Exchange Account Type,
please refer to
"How to access my M365 account using Microsoft Outlook with Exchange Account Type?".
If your email client software/program supports IMAP and POP only, you can also use it to send and receive your email from your M365 account. However, you can't use it to access your contacts, tasks, or calendar. Some software/programs you can use to access your M365 account with IMAP or POP include:
Following are the server configuration details. You can also find these information in Options after logging on OWA.
For the detailed procedure of setting up M365 account in Microsoft Outlook 2010 with IMAP Account Type,
please refer to
"How to access my M365 account using Microsoft Outlook with IMAP Account Type?".
You can use this procedure as reference for setting up M365 account in the email software/progarm you are using, even it is not
MS Outlook. In addition, your can refer to the M365 online help "Use IMAP or POP E-Mail Programs" at
http://help.outlook.com/en-us/140/cc875899.aspx, which contains setup instructions for many email client software/programs and some technical information in details.