7,432 questions with Exchange Online tags

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

Exchange Hybrid (Teams Calendar)

Good evening, Been racking my brain around this and the MS documentation is not clear (to me at least). Hoping to find a nugget here that can help with the current hurdle. Current State: Downloaded and ran through the HCW on one of our…

Exchange Online
Exchange Online

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

7,432 questions
Microsoft Teams | Microsoft Teams for business | Other
asked 2020-12-12T02:56:40.283+00:00
CWT 391 Reputation points
commented 2026-10-11T01:45:29.12+00:00
Ceyhun KIRMIZITAS 0 Reputation points Microsoft External Staff
1 answer One of the answers was accepted by the question author.

How to deal with persistent junk email

I am getting hundreds of emails from spam users pretending to be from google maps for a custom map. Should I block all the senders which puts the emails directly into trash? Is there a way to automatically delete these type of emails meaning bypassing…

Exchange Online
Exchange Online

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

7,432 questions
asked 2025-10-10T23:12:18.94+00:00
Stephanie Subocz 20 Reputation points
commented 2026-10-09T14:09:14.3466667+00:00
LPG 0 Reputation points
3 answers

Exchange Online: DKIM uses onmicrosoft.com instead of custom domain

We have an Exchange Online tenant using example.com as a custom domain. An outbound email has the following headers when it first reaches our email gateway: From:…

Exchange Online
Exchange Online

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

7,432 questions
asked 2026-10-03T15:35:49.5066667+00:00
Nguyễn Thành Nhân 0 Reputation points
commented 2026-10-09T12:41:29.01+00:00
Nguyễn Thành Nhân 0 Reputation points
2 answers One of the answers was accepted by the question author.

Exchange Online 10,000 Recipient Rate Limit Is the Limit Applied Separately to Each Mailbox When Using Microsoft Graph Mail.Send Application Permission?

Scenario I have an application that sends automated emails using Microsoft Graph API with the Mail.Send Application permission. The application sends email from a shared mailbox. We recently received the following NDR when sending email: 550 5.1.90 Your…

Exchange Online
Exchange Online

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

7,432 questions
asked 2026-10-08T15:35:34.7+00:00
Subramanian PR 40 Reputation points
accepted 2026-10-09T08:20:18.1566667+00:00
Subramanian PR 40 Reputation points
3 answers

How to update or modify wrong Chat email address on Microsoft Teams

My issue is similar to one previous post. One user's Teams chat email is wrong. I checked AD, Exchange On Prem and Online (A hybrid environment), and found and changed the wrong SIP address in ExchangeOnline. 3 days later, both wrong and correct chat…

Exchange Online
Exchange Online

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

7,432 questions
Microsoft Teams | Microsoft Teams for business | Other
asked 2024-10-04T17:42:15.1666667+00:00
Richard Li 10 Reputation points
edited an answer 2026-10-09T07:09:43.2033333+00:00
Nik H 0 Reputation points
1 answer

I am trying to create a meeting in the calendar, but I am getting an error saying I cannot access the calendar.

When I try to start a meeting, the following error message appears. Error Code = Unknown Error Message = Unknown Troubleshooting link =…

Exchange Online
Exchange Online

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

7,432 questions
asked 2026-10-08T05:00:44.81+00:00
commented 2026-10-09T01:28:29.4733333+00:00
Austin-H 8,470 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

will review permissions work on a shared calendar if a distribution list is added as member of mail enabled security group

I want to give calendar review permissions only to some people on a shared mailbox no delegate access. so I have a two Distribution groups and added them as member of mail enabled security group and granted security group reviewer access right on shared…

Exchange Online
Exchange Online

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

7,432 questions
asked 2026-10-06T18:09:51.81+00:00
Anonyms_Karki 20 Reputation points
accepted 2026-10-08T12:14:14.41+00:00
Anonyms_Karki 20 Reputation points
0 answers

Migrate GroupWise to Office 365 or coexistence

Hello Team, One of our customers requirement is to migrate existing GroupWise messaging system to Office365 with minimum interruption & losing the data since the nature of their business is very critical, we can't afford to lose any single message…

Exchange Online
Exchange Online

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

7,432 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.

8,204 questions
asked 2022-01-23T20:29:58.92+00:00
Abul Fazal 1 Reputation point
2 answers

need to check the total number of mail, a user has sent from the domain or tenant

As we are facing issue where , admin has no clear view from which id bulk mailing or number of mail are shooting, so he can apply restiction to sending limit to the user

Exchange Online
Exchange Online

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

7,432 questions
asked 2026-10-07T11:09:19.4233333+00:00
Megha Devrani 0 Reputation points
commented 2026-10-08T07:28:08.3833333+00:00
Aetherin 3,005 Reputation points Independent Advisor
1 answer One of the answers was accepted by the question author.

How to create exchange mail user if that user already exsisit in entra id

I already have entra id users. But those users not visible in exchange admin under the contacts(Becasue email license not allocated those users) .So im unable to add those users to any group or distribution list. When i try to create mailuser contact in…

Exchange Online
Exchange Online

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

7,432 questions
asked 2026-10-01T19:53:14.8266667+00:00
Naveen viduranga 20 Reputation points
commented 2026-10-07T23:32:37.3066667+00:00
Ruby Nguyen 3,045 Reputation points Independent Advisor
2 answers

Email send limit exceeds for tenant need email alerts before reach the limit

Hi All i would like to receive email alerts before i reach my tenant send email limit to outbound external recipients but not being able to find out such feature in Exchange online admin center. Please let me know if i can receive these alerts through…

Exchange Online
Exchange Online

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

7,432 questions
asked 2026-10-06T13:25:00.2666667+00:00
adminofsense 0 Reputation points
commented 2026-10-07T16:33:09.97+00:00
Alina Le 5,585 Reputation points Independent Advisor
0 answers

Azure Automation: Managing Exchange Online Distribution Groups with Managed Identity — Connection Failure

Problem description I am attempting to use an Azure Automation runbook with a system-assigned managed identity to add a member to an Exchange Online distribution group. The runbook connects successfully using 'Connect-ExchangeOnline -ManagedIdentity',…

Exchange Online
Exchange Online

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

7,432 questions
asked 2026-10-07T14:57:48.1266667+00:00
Michael Butler 20 Reputation points
1 answer

Microsoft 365 tenant restricted from sending email (550 5.7.705) after compromised account was remediated

Our Microsoft 365 tenant is currently restricted from sending outbound email with the following error: 550 5.7.705 – Access denied, tenant has exceeded threshold. Microsoft Defender generated the following alert: "Tenant restricted from sending…

Exchange Online
Exchange Online

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

7,432 questions
asked 2026-10-02T15:02:39.9833333+00:00
AV 0 Reputation points
commented 2026-10-05T19:50:59.3566667+00:00
Kai-L 20,020 Reputation points Microsoft External Staff Moderator
1 answer

the shared email [Moderator note: personal identifiable Information removed]@magnet.co.uk when sending email doesnt show on sent items

the shared email [Moderator note: personal identifiable Information removed]@magnet.co.uk when sending email doesnt show on sent items

Exchange Online
Exchange Online

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

7,432 questions
asked 2026-10-03T08:27:01.2133333+00:00
Begum, Tamanna 0 Reputation points
commented 2026-10-05T14:27:05.2733333+00:00
Roebe Ta 1,545 Reputation points Independent Advisor
1 answer

Shared Mailbox Calendar Auto-Accept and Removal of Cancelled Events

We have a shared mailbox: smb1[at]contoso.com We have two requirements and would appreciate guidance on the recommended Exchange Online/Outlook configuration. Requirement 1 – Automatically process calendar events When a user creates an event on 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.

7,432 questions
asked 2026-10-05T07:24:22.67+00:00
Roger Roger 7,631 Reputation points
answered 2026-10-05T10:31:27.6066667+00:00
Ruby Nguyen 3,045 Reputation points Independent Advisor
1 answer

OUR EMAIL NOT WORKING

Good Day, We have email with you under domain ( tmcontracting.com.sa } but not working from last few days, due to which we are facing a lot of problem from our clients. please recitify this issue as early as possible. that will be kindness.…

Exchange Online
Exchange Online

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

7,432 questions
asked 2026-10-04T07:27:30.0266667+00:00
TM CONTRACTING CO 0 Reputation points
commented 2026-10-05T07:16:59.19+00:00
Michelle Nguyen 2,025 Reputation points Independent Advisor
3 answers One of the answers was accepted by the question author.

Calendar Settings

Hi All, I have a shared mailbox, for example, smb1[@]mydomain.com When someone from our team creates a calendar event or meeting on the shared mailbox calendar, the meeting request appears to require acceptance before it is added to the calendar. We…

Exchange Online
Exchange Online

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

7,432 questions
asked 2026-09-27T19:35:50.58+00:00
Glenn Maxwell 14,226 Reputation points
accepted 2026-10-05T07:09:05.73+00:00
Glenn Maxwell 14,226 Reputation points
2 answers

Restricted mailbox after sending to 120 recipients

We had a mailbox that was blocked from sending after a press email was sent to 120 recipients. This is below the 500 max recipient threshold so I want to know why it was restricted at all.

Exchange Online
Exchange Online

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

7,432 questions
asked 2026-10-02T10:30:00.2566667+00:00
NAMT ICT 0 Reputation points
commented 2026-10-03T11:01:26.7766667+00:00
Kristen Tran 2,285 Reputation points Independent Advisor
4 answers One of the answers was accepted by the question author.

Emails going into other tab

As of 2/2/26 all my new emails are now going into the "other" tab instead of the "focused" tab.

Exchange Online
Exchange Online

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

7,432 questions
asked 2026-02-02T16:10:17.0533333+00:00
Jones, Linda R 45 Reputation points
answered 2026-10-02T07:46:17.95+00:00
Christiaan Venter 0 Reputation points
2 answers

Lost access to Microsoft Authenticator after phone change — need help restoring account

Hello, I recently changed to a new phone, but I forgot to transfer my Microsoft Authenticator data before switching. Now, when I try to log into Microsoft Authenticator on my new phone, I receive the following message: "**Unable to recover. Your…

Exchange Online
Exchange Online

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

7,432 questions
asked 2025-05-26T02:40:30.78+00:00
Xuerong Ma 30 Reputation points
commented 2026-10-01T21:15:04.59+00:00