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mediumExchangeupdatelearn_exchange · Nov 14, 2025

Plus Addressing in Exchange Online

Exchange Online has enabled plus addressing by default, allowing users to use unique sub-addresses for dynamic and disposable recipient email addresses. This update enhances threat protection and user flexibility.

“Plus Addressing in Exchange Online Summarize this article for me In this article Plus addressing (also known as subaddressing) is enabled by default in Exchange Online. Subaddressing is an industry-defined way to support dynamic, disposable recipient (not sender) email addresses for mailboxes. Plus addressing allows …”
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Security
threat_protection
Audience
adminend_user
Environment
cloud
Classification confidence: 95%
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