Power Apps for Office 365
Microsoft uses this display name for more than one service plan — this one is POWERAPPS_O365_P2.
Power Apps / Power Automate (seeded) Included in 24 licenses
Microsoft 365
Microsoft 365 E3 Office 365 E3's productivity core plus Windows, Intune device management, and Entra ID — the standard Microsoft 365 Enterprise plan; no seat cap.
Office 365
Office 365 E3 Adds desktop Office apps and a fuller Exchange/SharePoint/compliance feature set to E1 — the standard mid-tier Enterprise productivity plan; no seat cap.
Office 365 E4 retired