Outlook Web Application
We have 3 levels of licensing.
P1 = email only with Web Mail
F1 = SharePoint and read-only viewers for Office applications.
F3 = All Microsoft application accessible On-line with Web Mail
Very Limited - Office 365 for Business = the full-downloadable Microsoft Office suite with Outlook and Web Mail
This document address Web Mail users
Accessing Web Mail
Encrypt Email - See https://woodhouse0.sharepoint.com/:w:/s/woodhouse.com/ET0Jp95Zre1Ap3_gRblRiL4BzxKD3BwEAMnryOfZbdeNlg?e=4n2JAS