A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
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
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
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
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
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
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
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
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
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
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
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
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
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
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.
Windows for business | Windows Server | Devices and deployment | Set up, install, or upgrade
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
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
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
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
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
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
Microsoft 365 and Office | Install, redeem, activate | For business | Windows
Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Microsoft Security | Microsoft Entra | Microsoft Entra ID
A cloud-based identity and access management service for securing user authentication and resource access
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
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
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
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
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
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
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
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
Microsoft 365 and Office | SharePoint | For business | Windows
A group of Microsoft Products and technologies used for sharing and managing content, knowledge, and applications.
Microsoft 365 and Office | OneDrive | For business | Windows
A Microsoft file hosting and synchronization service.
Microsoft Security | Microsoft Entra | Microsoft Entra ID
A cloud-based identity and access management service for securing user authentication and resource access
Microsoft Teams | Microsoft Teams for business | Other
Additional features, settings, or issues not covered by specific Microsoft Teams categories
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
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
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
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
Outlook | Windows | Classic Outlook for Windows | For business
Using classic Outlook for Windows in business environments
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
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
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
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
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
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
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
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.