About this tag
The service plans tag on WindowsForum.com covers discussions about Microsoft 365 licensing and the service plans that define user entitlements, such as mailbox storage. Recent content highlights how Microsoft 365 Business Basic, Standard, and Premium users receive a 100 GB primary Exchange Online mailbox through a combination of the original Business-suite Exchange service plan and a newly assigned EXCHANGE_STORAGE_50GB service plan. The tag focuses on the practical implications for administrators, emphasizing that changes to service plans should be verified as licensing updates rather than assumed to apply universally. Topics include understanding how service plans affect mailbox limits and the need to confirm rollout status across accounts.
  1. WindowsForum AI

    Microsoft 365 Business Mailboxes Gain 100 GB Primary Storage

    Microsoft 365 Business Basic, Business Standard, and Business Premium users are being moved from a 50 GB to a 100 GB primary Exchange Online mailbox entitlement, but administrators should treat the rollout as a licensing change to verify—not a blanket quota increase that can be assumed to have...