How to find your Office 365 tenant name

If you do need to find your Office 365 tenant name, it’s pretty easy. Choose one of the following procedures.

Office 365 Admin Center, if you have global admin rights

1. Log in to your Office 365 Admin Center as an administrator.
2. Under Setup click on Domains (or just click here).
3. Find a domain which ends with .onmicrosoft.com – this is your Office 365 tenant name.

OneDrive for Business Service

1. Log in to your Office 365.
2. Click on the OneDrive for Business app in the Office 365 app launcher (square in the top left corner of your screen).
3. Your browser URL will look like this https://tenantname-my.sharepoint.com/personal/< your user name >/_layouts/15/onedrive.aspx
4. You can add .onmicrosoft.com to the tenantname above and it will be your full Office 365 tenant name.

SharePoint Online Service

1. Log in to your Office 365.
2. Click on the SharePoint Online app in the Office 365 app launcher (square in the top left corner of your screen).
3. Your browser URL will look like this https://tenantname.sharepoint.com/\_layouts/15/sharepoint.aspx
4. You can add .onmicrosoft.com to the tenantname above and it will be your full Office 365 tenant name.