1.) Open device settings
2.) Scroll down to the "Mail" section and open it
3.)Click on "Accounts"
4.) Select "Add Account"
5.) Choose "Microsoft Exchange"
5.) Type your email address into the appropriate field and enter your company name as the description.
6.) Hit Next and choose to "Sign In"
7.) Type your Microsoft account password into the new prompt.
8.) Hit "Sign In"
9.) Choose to "Save Password"
10.) Hit "Next" (Microsoft Authenticator prompt may appear. Follow 2FA instructions to for assistance with setting this up)
11.) Check the "Consent on behalf of your organization" box
12.) Hit "Accept"
13.) Your account should authenticate and show the following screen
14.) Hit "Save"
15.) Close your settings
16.) Your account has been added to the Mail app!