Understanding the new 100 GB mailbox entitlement for Microsoft 365 Business suites
Microsoft published this post on Exchange Team Blog on 19 August 2026.
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exchange:4548243- Products
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- Exchange Team Blog
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- 19 August 2026
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Microsoft says
Microsoft 365 Business Basic, Business Standard, and Business Premium now include an additional 50 GB of primary email storage for eligible users.
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