Effective April 1, 2020, Microsoft introduced a new Microsoft 365 F1 plan. It has a competitive per-user-per-month pricing and replaces the old Microsoft 365 F1 plan, that was renamed into Microsoft 365 F3. Therefore, all users on Microsoft 365 F1 until March 31st, 2020 were moved to Microsoft 365 F3. All loyal and new Microsoft 365 F3 users receive extra value, with extra capabilities, powerful automation capabilities through the Microsoft Power Platform, Microsoft Planner, Microsoft Enterprise Mobility + Security (EMS) E3, and advantageous new product terms.
For further information on the announcement of the new entry-level of Microsoft 365 F1 for Firstline Workers, please visit: https://www.microsoft.com/en-us/licensing/news/m365-firstline-workers.