MC946793 – (Updated) Microsoft Outlook for iOS and Android: Enhanced external recipient determinations

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check before: 2025-01-01

Product:

Exchange, Microsoft 365 Apps, Outlook

Platform:

Android, iOS, Online, US Instances, World tenant

Status:

Rolling out

Change type:

Feature update, Updated message, User impact

Links:

MC834102

Details:

Summary:
Microsoft Outlook for iOS and Android is enhancing the External Recipients MailTips feature for better offline accuracy and performance. The rollout, starting mid-February 2025 and completing by late April 2025, requires no admin action but users should be notified. More details will be updated on Microsoft Learn.

Details:
Updated April 2, 2025: We have updated the rollout timeline below. Thank you for your patience.
The ability to distinguish between internal and external recipients is crucial for maintaining secure and efficient communication. This update will improve offline accuracy and overall performance of the External Recipients MailTips feature on Microsoft Outlook for iOS and Android.
This post is associated with MC834102 External recipients MailTip offline behavior update for Microsoft Outlook for iOS and Android (published July 2024, updated to cancel November 2024).
[When this will happen:]
General Availability (Worldwide, GCC, GCC High): We will begin rolling out mid-February 2025 (previously late January) and expect to complete by late April 2025 (previously mid-March)

Change Category:
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Scope:
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Release Phase:

Created:
2024-12-03

updated:
2025-04-03

Task Type

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Docu to Check

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MS How does it affect me

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MS Preperations

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MS Urgency

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linked item details

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summary for non-techies**

Microsoft Outlook for iOS and Android is updating to store external recipient information on devices, allowing accurate warnings about external recipients even when offline or with a poor internet connection.

Direct effects for Operations**

External Recipient MailTips Feature Update
If users are not notified about the changes, they may experience confusion when sending emails to external recipients, leading to potential security risks and miscommunication.
   - roles: End Users, IT Support
   - references: https://learn.microsoft.com/exchange/clients-and-mobile-in-exchange-online/mailtips/mailtips

Offline Functionality Improvement
Without preparation, users may not understand the improved offline capabilities, leading to frustration when they encounter issues with recipient identification while offline.
   - roles: End Users, IT Support
   - references: https://learn.microsoft.com/exchange/clients-and-mobile-in-exchange-online/mailtips/mailtips

Configutation Options**

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explanation for non-techies**

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** AI generated content. This information must be reviewed before use.

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change history

DatePropertyoldnew
2025-04-03MC Last Updated02/05/2025 22:11:222025-04-02T16:42:44Z
2025-04-03MC MessagesUpdated February 5, 2025: We have updated the rollout timeline below. Thank you for your patience.
The ability to distinguish between internal and external recipients is crucial for maintaining secure and efficient communication. This update will improve offline accuracy and overall performance of the External Recipients MailTips feature on Microsoft Outlook for iOS and Android.
This post is associated with MC834102 External recipients MailTip offline behavior update for Microsoft Outlook for iOS and Android (published July 2024, updated to cancel November 2024).
[When this will happen:]
General Availability (Worldwide, GCC, GCC High): We will begin rolling out mid-February 2025 (previously late January) and expect to complete by mid-March (previously late February)
Updated April 2, 2025: We have updated the rollout timeline below. Thank you for your patience.
The ability to distinguish between internal and external recipients is crucial for maintaining secure and efficient communication. This update will improve offline accuracy and overall performance of the External Recipients MailTips feature on Microsoft Outlook for iOS and Android.
This post is associated with MC834102 External recipients MailTip offline behavior update for Microsoft Outlook for iOS and Android (published July 2024, updated to cancel November 2024).
[When this will happen:]
General Availability (Worldwide, GCC, GCC High): We will begin rolling out mid-February 2025 (previously late January) and expect to complete by late April 2025 (previously mid-March)
2025-04-03MC End Time04/03/2025 09:00:002025-06-02T09:00:00Z
2025-04-03MC SummaryThe update for Microsoft Outlook on iOS and Android enhances external recipient determinations, improving offline accuracy and performance. Rollout begins mid-February 2025, completing by mid-March. The feature updates automatically, requiring no admin action, but users should be informed.Microsoft Outlook for iOS and Android is enhancing the External Recipients MailTips feature for better offline accuracy and performance. The rollout, starting mid-February 2025 and completing by late April 2025, requires no admin action but users should be notified. More details will be updated on Microsoft Learn.
2025-02-06MC Last Updated01/16/2025 20:27:002025-02-05T22:11:22Z
2025-02-06MC MessagesUpdated January 16, 2025: We have updated the rollout timeline below. Thank you for your patience.
The ability to distinguish between internal and external recipients is crucial for maintaining secure and efficient communication. This update will improve offline accuracy and overall performance of the External Recipients MailTips feature on Microsoft Outlook for iOS and Android.
This post is associated with MC834102 External recipients MailTip offline behavior update for Microsoft Outlook for iOS and Android (published July 2024, updated to cancel November 2024).
[When this will happen:]
General Availability (Worldwide, GCC, GCC High): We will begin rolling out late January 2025 (previously early January) and expect to complete by late February 2025 (previously January).
Updated February 5, 2025: We have updated the rollout timeline below. Thank you for your patience.
The ability to distinguish between internal and external recipients is crucial for maintaining secure and efficient communication. This update will improve offline accuracy and overall performance of the External Recipients MailTips feature on Microsoft Outlook for iOS and Android.
This post is associated with MC834102 External recipients MailTip offline behavior update for Microsoft Outlook for iOS and Android (published July 2024, updated to cancel November 2024).
[When this will happen:]
General Availability (Worldwide, GCC, GCC High): We will begin rolling out mid-February 2025 (previously late January) and expect to complete by mid-March (previously late February)
2025-02-06MC MessageTagNamesFeature update, User impactUpdated message, Feature update, User impact
2025-02-06MC SummaryThe update for Microsoft Outlook on iOS and Android enhances external recipient determinations, improving offline accuracy and performance. Rollout begins late January 2025, completing by late February. The feature updates automatically, requiring no admin action, but users should be informed.The update for Microsoft Outlook on iOS and Android enhances external recipient determinations, improving offline accuracy and performance. Rollout begins mid-February 2025, completing by mid-March. The feature updates automatically, requiring no admin action, but users should be informed.
2025-01-17MC MessagesThe ability to distinguish between internal and external recipients is crucial for maintaining secure and efficient communication. This update will improve offline accuracy and overall performance of the External Recipients MailTips feature on Microsoft Outlook for iOS and Android.
This post is associated with MC834102 External recipients MailTip offline behavior update for Microsoft Outlook for iOS and Android (published July 2024, updated to cancel November 2024).
[When this will happen:]
General Availability (Worldwide, GCC, GCC High): We will begin rolling out early January 2025 and expect to complete by late January 2025.
Updated January 16, 2025: We have updated the rollout timeline below. Thank you for your patience.
The ability to distinguish between internal and external recipients is crucial for maintaining secure and efficient communication. This update will improve offline accuracy and overall performance of the External Recipients MailTips feature on Microsoft Outlook for iOS and Android.
This post is associated with MC834102 External recipients MailTip offline behavior update for Microsoft Outlook for iOS and Android (published July 2024, updated to cancel November 2024).
[When this will happen:]
General Availability (Worldwide, GCC, GCC High): We will begin rolling out late January 2025 (previously early January) and expect to complete by late February 2025 (previously January).
2025-01-17MC TitleMicrosoft Outlook for iOS and Android: Enhanced external recipient determinations(Updated) Microsoft Outlook for iOS and Android: Enhanced external recipient determinations
2025-01-17MC Last Updated12/02/2024 18:09:162025-01-16T20:27:00Z
2025-01-17MC SummaryThe update for Microsoft Outlook on iOS and Android enhances external recipient determinations, improving offline accuracy and performance. Rollout begins late January 2025, completing by late February. The feature updates automatically, requiring no admin action, but users should be informed.

Last updated 3 weeks ago

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