7,407 questions with Exchange Online tags

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2 answers One of the answers was accepted by the question author.

Can Message Recall be enabled for specific users only

Hi Microsoft Community, We have disabled Cloud-based Message Recall for our tenant from Exchange Admin Center → Settings → Mail flow → Message Recall. Our requirement is to keep Message Recall disabled for all users, but enable it only for a few selected…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-20T08:11:33.93+00:00
Vinay Shivakoti 0 Reputation points
accepted 2026-09-20T10:27:07.32+00:00
Vinay Shivakoti 0 Reputation points
1 answer

Error E6118 when purchasing additional Exchange Online licenses

We cannot purchase additional Exchange Online licenses through the Microsoft 365 admin center.   We previously purchased licenses successfully, but increasing the license quantity now fails with error E6118.   The error message, translated from Japanese,…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-20T04:30:05.77+00:00
西岡 祥貴 0 Reputation points
edited an answer 2026-09-20T05:12:34.3133333+00:00
Teddie Dang 1,270 Reputation points Independent Advisor
2 answers

Unable to see Calendar for Online Archive

After applying a retention policy configured to move the entire mailbox content older than 2 years to the In‑Place Archive, all items were archived as expected. As a result: Older calendar appointments are no longer visible in the primary mailbox…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-03-12T11:36:04.3333333+00:00
Amedeo 0 Reputation points
commented 2026-09-19T18:11:50.7033333+00:00
Marnix Kasper 0 Reputation points
2 answers

My subscription is lost after iOS 27 download. Unable to get online and have no emails.

On my Mac I upgraded to iOS 27 and now I have no outlook.

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-19T08:56:58.3633333+00:00
gary moores 5 Reputation points
recommended 2026-09-19T11:19:49.3033333+00:00
Daniel-Vo 6,450 Reputation points Microsoft External Staff Moderator
1 answer

Microsoft Graph sendMail gets 550 5.7.708 AS(7910), but Outlook on the web succeeds for the same mailbox and recipient

We have a Microsoft 365 mailbox purchased through GoDaddy. Our application sends low-volume, user-requested registration/sign-in OTP emails through Microsoft Graph using app-only authentication and Exchange Online Application RBAC scoped to one sender…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-19T10:25:14.8333333+00:00
PinJyun Liu 0 Reputation points
answered 2026-09-19T11:16:47.8866667+00:00
Jayden-P 2,855 Reputation points Independent Advisor
1 answer

This backend upgrade/provisioning state is blocking our PST migration

We are migrating our organization's email to Exchange Online and need to import PST files through Microsoft Purview. I need to assign the Exchange Online Mailbox Import Export role, but the tenant requires Organization Customization…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-17T23:29:54.2033333+00:00
Brian Stutesman 0 Reputation points
edited an answer 2026-09-18T00:03:48.74+00:00
Teddie Dang 1,270 Reputation points Independent Advisor
2 answers

Exchange 2010 SBS POP3 Connector

****Exchange 2010 SBS POP3 Connector supports to download and distribute the mail from external pop3 mail servers. I have queries below. I am looking for answers from Technical Members.** 1. What is the new version in Exchange SBS. 2. The new version of…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
Exchange | Exchange Server | Management
Exchange | Exchange Server | Management

The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.

8,202 questions
Windows for business | Windows Server | Devices and deployment | Set up, install, or upgrade
asked 2021-01-22T12:29:23.807+00:00
Amjed Ali 1 Reputation point
answered 2026-09-18T00:03:21.1666667+00:00
1 answer One of the answers was accepted by the question author.

Domain "already added to a different Microsoft 365 organization" — need domain released from a tenant I don't control

Issue: We own the domain heritageconsultants.net and am trying to add it to my Microsoft 365 organization. When I add it, verification succeeds, but I get this error: "We have confirmed that you own heritageconsultants.net, but we can't add it to…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-17T17:47:05.73+00:00
Holly Rockwell 20 Reputation points
accepted 2026-09-17T19:52:38.1633333+00:00
Holly Rockwell 20 Reputation points
1 answer

Exchange online mailbox provisioning issue

I've been running into a problem where the provisioning script fails to create an Exchange Online mailbox for a newly hired employee. The script completes without errors, but the mailbox simply doesn’t appear in the admin center. I’ve already checked the…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-17T07:35:54.8833333+00:00
Fedda306 Anadi 20 Reputation points
answered 2026-09-17T09:22:00.2466667+00:00
Heimerdinger 385 Reputation points Independent Advisor
2 answers

Unable to Change Existing User’s Username/Primary Email Address in MS365

Unable to Change Existing User’s Username/Primary Email Address in MS365 When logged into the MS365 admin portal as a Global Admin, trying to change an existing user’s username and primary email address, the change fails, and the dialog box shows this…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
Microsoft 365 and Office | Install, redeem, activate | For business | Windows
Microsoft Security | Microsoft Entra | Microsoft Entra ID
asked 2024-07-25T20:51:04.4733333+00:00
Alan Adkins 0 Reputation points
answered 2026-09-16T10:41:07.61+00:00
Iqbal Hamid 0 Reputation points
2 answers

Automatic replies only to emails outside the organization?

Hello, I need to set up automatic replies for a shared mailbox. However, only for external emails, it doesn't matter for emails within the organization. There is an option for automatic forwarding in the Admin Center. I can even set it to send a…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-06-26T11:38:14.2066667+00:00
Michal Rama 40 Reputation points
commented 2026-09-16T09:55:40.8833333+00:00
Mareo 0 Reputation points
0 answers

External Mail Flow Configuration in Exchange Online

What are the steps and considerations for setting up external mail flow for Exchange Online? Specific details on how it functions and any potential issues to be aware of would be helpful. Explain it with examples.

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2025-08-11T19:54:27.1866667+00:00
Gurudas Anand Satardekar 951 Reputation points
edited a comment 2026-09-16T09:01:38.7933333+00:00
Dariusz Lelito 0 Reputation points
1 answer

How to fix my email

My emails are not sending because of my admin they are appropriate and I do not understand why I can't send them

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-02T23:10:45.76+00:00
THOMAS Joey 0 Reputation points
edited an answer 2026-09-16T06:21:17.1766667+00:00
Michelle Nguyen 1,510 Reputation points Independent Advisor
3 answers

Best way to do a phased tenant to tenant migration

Hello All, My company is more than likely going through an internal acquisition. The CEO/Founder is wanting to retire and the President is going to buy him out. I am looking for the best way to migrate the first phase of systems over a weekend. We are…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
Microsoft 365 and Office | SharePoint | For business | Windows
Microsoft 365 and Office | OneDrive | For business | Windows
Microsoft Security | Microsoft Entra | Microsoft Entra ID
Microsoft Teams | Microsoft Teams for business | Other
asked 2023-01-24T17:30:03.8933333+00:00
Cory Calavan 41 Reputation points
commented 2026-09-15T14:46:24.15+00:00
Sophia Mitchell 0 Reputation points
1 answer

Extracting Email Addresses from the Last 6 Months

Hi Team, I need to extract the received and sent email addresses from a user’s mailbox for the last six months. I have checked this in Exchange, but it only allows me to search up to 10 days at a time, which makes it difficult to retrieve the required…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-14T08:31:24.8933333+00:00
Zayan zay 40 Reputation points
commented 2026-09-15T06:16:59.0733333+00:00
Ana Le 2,600 Reputation points Independent Advisor
2 answers

Transferring my old email inbox data into the new M365 exchange.

I require assistance transferring my old email inbox data into the new M365 exchange. I have old data stored within OX Mail (Webcentral) and need this history to be transferred into my new account with M365

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
Outlook | Windows | Classic Outlook for Windows | For business
asked 2024-08-21T19:39:51.5366667+00:00
IniobongNkanga-8038 1,011 Reputation points
answered 2026-09-15T05:10:56.6066667+00:00
Vishal Kumar 0 Reputation points
1 answer

IMAP Migration from Google Workspace to Microsoft 365

Hello Team, Greetings!! We have recently been experiencing significant delays during IMAP migrations from Google Workspace to Microsoft 365 and would like to understand if there are any known issues or recent changes affecting IMAP migration…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-14T07:16:18.2433333+00:00
Akanksha Chauhan 0 Reputation points
answered 2026-09-14T10:53:15.7233333+00:00
Heimerdinger 385 Reputation points Independent Advisor
1 answer One of the answers was accepted by the question author.

Exchange online-Deleting a group and recreating a new group with same email address and outlook cache issues

Exchange online query-Deleting a group and recreating a new group with same email address. Will this scenario bring outlook lookup issue of the deleted group from the existing outlook cache? Cheers Priya

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-05T16:33:27.6933333+00:00
Priya Jayaraman 486 Reputation points
accepted 2026-09-13T02:45:51.94+00:00
Priya Jayaraman 486 Reputation points
2 answers

Register my own domain with microsoft exchange

I have my own domain that was linked to Outlook for 15 years. It stopped working last year and I was told that I have to register my domain with Microsoft Exchange

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-01T18:01:49.5733333+00:00
Robert Esguerra 0 Reputation points
edited a comment 2026-09-13T02:36:18.6033333+00:00
Alina Le 5,080 Reputation points Independent Advisor
6 answers

Apple Mail on macOS repeatedly receives HTTP 429 from Exchange Online EWS after account re-add

September 9, 2026: I’m having an Exchange Online synchronization issue with Apple Mail on macOS. The account worked normally in Apple Mail for approximately a year before suddenly stopping synchronization today. Other access to the mailbox continues to…

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,407 questions
asked 2026-09-09T19:00:29.8866667+00:00
Alex 30 Reputation points
edited a comment 2026-09-11T20:17:45.97+00:00
Ryan-N 15,910 Reputation points Microsoft External Staff Moderator