6,809 questions with Exchange Online tags

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16 answers

The operation couldn’t be completed. (com.apple.accounts error 3.)

unable to add exchange account to the mail app on osx

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2025-11-19T13:57:52.4133333+00:00
Ralf 25 Reputation points
commented 2025-12-11T15:21:18+00:00
Matt Turner 0 Reputation points
1 answer

How to retrieve detailed O365 Message Trace logs using Python? Need guidance and best practices

I am trying to fetch Office 365 (Exchange Online) Message Trace logs using a Python script, but I am not getting complete or detailed information from the current approach. I want to know: What is the recommended API or method in 2025 for retrieving…

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2025-12-08T04:33:30.1266667+00:00
Lakkireddygari Sai Ram 0 Reputation points
commented 2025-12-11T15:02:44.9033333+00:00
Vergil-V 7,550 Reputation points Microsoft External Staff Moderator
2 answers

Please fix my account

I opened an account for [Moderator note: personal info removed]. I believe my email is [Moderator note: personal info removed]@yourdomain, but every time I try to send an email to it it returns to the senders address a day later. What's the issue? Please…

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2025-12-10T03:15:15.2833333+00:00
Briton Schiewe 0 Reputation points
commented 2025-12-11T13:41:37.1+00:00
Hin-V 10,180 Reputation points Microsoft External Staff Moderator
2 answers

Configure Exchange Online PowerShell for Automated Admin Tasks

I’m trying to streamline some admin workflows by running a set of automated scripts against Exchange Online, but I’m not fully sure what the safest and most reliable way is to configure PowerShell for these tasks. I’m currently using the Exchange Online…

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2025-12-11T11:11:31.9466667+00:00
Schott Cyndi 85 Reputation points
recommended 2025-12-11T13:26:33.0966667+00:00
Vasil Michev 123.6K Reputation points MVP Volunteer Moderator
2 answers

O365 message trace from https://reports.office365.com/ecp is having issue from 12:00 PM 10/12/2025 (EST)

O365 message trace from https://reports.office365.com/ecp is having issue from 12:00 PM 10/12/2025 (EST) - using RestAPI we are fetching data and from yesterday we are not able to receive logs from reporting service.

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2025-12-11T10:25:47.55+00:00
Venkatesan, Radhakrishnan 0 Reputation points
answered 2025-12-11T12:12:49.1166667+00:00
Kudos-Ng 10,550 Reputation points Microsoft External Staff Moderator
2 answers

Groups list posts graph API does not return all posts in a thread

I'm trying to use the groups APIs to fetch all conversations threads and posts for a particular group in outlook. For that, I first fetched the group id, conversation id, and thread id. However, when listing posts, I'm seeing that while the contect…

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2025-12-11T05:29:45.76+00:00
Administrator 0 Reputation points
edited a comment 2025-12-11T10:53:00.3566667+00:00
Runway 4 0 Reputation points
2 answers One of the answers was accepted by the question author.

How can I reliably connect to Exchange Online PowerShell when the module keeps timing out or dropping the session?

I’m trying to manage mailboxes through Exchange Online PowerShell, but recently my connections either hang at “Connecting…” or disconnect after a few minutes, even though my network is stable and I’m using the latest ExchangeOnlineManagement module. Is…

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2025-12-11T08:52:54.5433333+00:00
Wilder Kimeya 20 Reputation points
accepted 2025-12-11T10:37:43.7433333+00:00
Wilder Kimeya 20 Reputation points
2 answers

How to enable Authenticated SMTP for my mailbox so I can test SMTP Client Submission.

Please enable Authenticated SMTP for my mailbox so I can test SMTP Client Submission.

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2025-12-09T17:15:27.69+00:00
FRANCA Rodrigo 0 Reputation points
commented 2025-12-11T09:32:30.39+00:00
Hani-Ng 5,790 Reputation points Microsoft External Staff Moderator
3 answers

Can't use Exchange Mail on my Mac, messages not loading or can't even login into Outlook

I've added an exchange account to my MacMail, and it's shown as successfully added and connected, however my messages are not loading. But I am able to send messages from it. When I tried to use Outlook on my Mac, I got this new error message before I…

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2025-12-10T18:45:54.23+00:00
hi kria 0 Reputation points
commented 2025-12-11T09:21:51.79+00:00
hi kria 0 Reputation points
2 answers

outlook emails why do they move

when i open a email and then forward it, it is then auto moved and turned into a thread and sent to top somewhere . how do i stop this happening so the email stays in the original place

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2025-12-08T02:37:42.39+00:00
Maggie Bishop 0 Reputation points
commented 2025-12-11T09:21:34.54+00:00
Hani-Ng 5,790 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

delays when applying mailbox configuration changes in Exchange Online

Why certain configuration changes in Exchange Online (such as permission updates, mailbox attribute changes, or transport-related settings) sometimes take a long time before they apply across Outlook and related services. I’ve checked service health and…

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2025-12-04T07:41:01.4366667+00:00
Wilder Kimeya 20 Reputation points
accepted 2025-12-11T08:50:56.95+00:00
Wilder Kimeya 20 Reputation points
2 answers

Hotmail not able to send email on Macbook

Set up Hotmail as Exchange account on Mac OS 15 Sequoia. Mac Mail downloads my Hotmail emails but cannot send any. In Outlook and on the web, Hotmail works fine. It's only in Mac Mail. (And Hotmail works fine in iOS, as well as on another Mac.) I have…

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2025-09-14T01:10:16.2266667+00:00
Jas sidhu 0 Reputation points
edited an answer 2025-12-11T07:34:00.66+00:00
Austin-H 6,990 Reputation points Microsoft External Staff Moderator
3 answers

Cannot get my Exchange Account working on my new iphone

I cannot get my Exchange Account verified on my new iphone.

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2025-11-30T22:34:49.58+00:00
Steven Foy 5 Reputation points
commented 2025-12-11T06:48:27.4666667+00:00
Kha-N 5,605 Reputation points Microsoft External Staff Moderator
2 answers

invalid username or password

unable to login mailbox with error "invalid username or password" error code: 50126

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2025-12-10T01:53:27.9266667+00:00
Adrian Ng 0 Reputation points
commented 2025-12-11T06:38:32.5633333+00:00
Kha-N 5,605 Reputation points Microsoft External Staff Moderator
2 answers

I cannot receive or send emails. I pay for a host server

I cannot send or receive emails even though outlook tells me I am connected to my server

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2025-12-09T22:26:25.5166667+00:00
Michael Matrisciani 0 Reputation points
commented 2025-12-11T05:50:52.81+00:00
Jade-T 8,530 Reputation points Microsoft External Staff Moderator
1 answer

Exchange Online mailbox not provisioned automatically after assigning

The user’s mailbox is still showing “Preparing” even after assigning a Microsoft 365 E3 license more than 24 hours ago. The license is active and assigned correctly, but the mailbox has not been provisioned. After 24hours Removed license wait for for an…

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2025-12-11T03:20:11.51+00:00
Nexon Support 0 Reputation points
answered 2025-12-11T05:01:58.8166667+00:00
Matthew-P 7,370 Reputation points Microsoft External Staff Moderator
2 answers

Email will not open

UTC Date: Client Id: Session Id: Client Version: BootResult: throttle Back Filled Errors: Unhandled Rejection: Error: 500:undefined|undefined:undefined err: Microsoft.Exchange.Data.Storage.TooManyObjectsOpenedException esrc: StartupData et:…

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2025-12-10T18:20:21.8433333+00:00
Hanna E 0 Reputation points
edited an answer 2025-12-11T03:17:40.3166667+00:00
Jade-T 8,530 Reputation points Microsoft External Staff Moderator
2 answers

Can't send or receive e-mails

We are getting this error and can't send or receive or get any assistance at any speed from Microsoft. Is it as simple as something sending massive amounts of e-mails getting us blocked UTC Date: 2025-12-09T08:55:57.848Z Client Id: [Moderator note:…

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2025-12-09T08:58:52.0133333+00:00
Alex Mason 0 Reputation points
edited a comment 2025-12-10T14:58:34.5433333+00:00
Vergil-V 7,550 Reputation points Microsoft External Staff Moderator
2 answers

API Mailbox Item Import

Hi there We would like to create an Exchange import session to prepare an import of an EML file to Outlook. POST https://graph.microsoft.com/beta/admin/exchange/mailboxes/******@domain.com/createImportSession API documented here:…

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2025-11-24T16:04:37.9766667+00:00
Jan Berlinger - credaris.ch 0 Reputation points
edited a comment 2025-12-10T14:54:56.25+00:00
Vergil-V 7,550 Reputation points Microsoft External Staff Moderator
2 answers

Getting Error while using Imap Oauth

Getting below error in Application while Using Imap Oauth. caused by: javax.mail.MessagingException: : EU3 Bad User is Authenticated but not connected.

Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,809 questions
asked 2023-08-23T18:32:33.0166667+00:00
Microsoft Q & A 386 Reputation points
answered 2025-12-10T11:08:21.93+00:00
AR Precision 0 Reputation points