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3 answers

Microsoft Exchange email not working

My Microsoft Exchange email was not working on my MacBook Air and not on any of my apple devices. I deleted the Microsoft Exchange email and tried to re-add (as I have done in the past, but it will not re-add it.)

Exchange Online
Exchange Online

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

7,487 questions
asked 2026-11-12T21:36:28.8133333+00:00
NANCY ELZAS 0 Reputation points
commented 2026-11-12T22:05:47.01+00:00
Ruby Nguyen 3,735 Reputation points Independent Advisor
1 answer

MSFT EXCHANGE HAS STOPPED WORKING, CAN;T RECEIVE OR SENT EMAILS USING OUTLOOK

MSFT Exchange using OUTLOOK intermittently stopped sending emails on 11/8. It stopped sending or receiving all emails on 11/12. Who can help me fix this as emails lifeline for business.

Exchange Online
Exchange Online

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

7,487 questions
asked 2026-11-12T21:20:45.4233333+00:00
Karolyn Rhodes 0 Reputation points
edited an answer 2026-11-12T21:36:59.4433333+00:00
Ivory 2,710 Reputation points Independent Advisor
1 answer

How do I recover my exchange account

Apple had me delete my exchange account and now I can not recover it

Exchange Online
Exchange Online

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

7,487 questions
asked 2026-11-12T20:59:12.7733333+00:00
Sindee Austin 0 Reputation points
answered 2026-11-12T21:21:12.0633333+00:00
Hendrix 2,775 Reputation points Independent Advisor
1 answer

Hi when will the 365 outage be resolved please? RE - EX1550543

Hi when will the outage be resolved please? RE - EX1550543

Exchange Online
Exchange Online

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

7,487 questions
asked 2026-11-12T20:54:15.67+00:00
Farkrocks 0 Reputation points
edited an answer 2026-11-12T21:13:09.4133333+00:00
Ruby Nguyen 3,735 Reputation points Independent Advisor
3 answers

EXCHANGE IS DOWN

Anyone have an idea of when microsoft exchange will be back up and running

Exchange Online
Exchange Online

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

7,487 questions
asked 2026-11-12T19:13:03.4733333+00:00
Cliff 0 Reputation points
edited an answer 2026-11-12T19:20:32.2566667+00:00
Aetherin 3,930 Reputation points Independent Advisor
2 answers

Missing Exchange contacts on iPhone

During a routine iPhone IOS update, the contacts in Exchange vanished. How can I retrieve the Exchange contacts on the 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.

7,487 questions
asked 2026-11-12T17:28:27.52+00:00
Christine Crowley 0 Reputation points
answered 2026-11-12T17:58:16.2433333+00:00
Deogratias 95 Reputation points Independent Advisor
2 answers

Emails are tagged as promotional intermittently

Hi, I am receiving emails from SharePoint online and service now where they are tagged as "promotional" When I analyzed the header, all the three SPF, DKIM, DMARC are pass and when it comes to BCL it is 1 and sometimes 2 Both the domains…

Exchange Online
Exchange Online

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

7,487 questions
asked 2026-11-12T14:29:49.21+00:00
Surya kumar 410 Reputation points
answered 2026-11-12T15:57:22.6966667+00:00
Heimerdinger 1,635 Reputation points Independent Advisor
1 answer

Email issues

Outbound email is blocked for ******@praevo.be(S'ouvre dans un nouvel onglet) and ******@praevo.be(S'ouvre dans un nouvel onglet). Accounts are enabled and sign-in is working. We are still receiving outbound mail blocking symptoms with NDR codes 550…

Exchange Online
Exchange Online

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

7,487 questions
asked 2026-11-11T12:24:38.9666667+00:00
Gilles Ryde 0 Reputation points
commented 2026-11-12T15:09:15.1266667+00:00
Fahim-Nz 265 Reputation points Independent Advisor
2 answers

Shared Mailbox Member Management: Bulk Assign from User Profile & Intermittent First-Time Save Failure

I would like to report a bug and suggest a workflow improvement regarding Shared Mailbox members in the Microsoft 365 Admin Center: 1. Bug Report - Intermittent Failure When Adding Members: Over the past few months, adding a member to a Shared 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.

7,487 questions
asked 2026-11-11T05:15:13.91+00:00
Erick 0 Reputation points
commented 2026-11-12T11:25:26.1333333+00:00
Helen Luu 3,735 Reputation points Independent Advisor
1 answer

Email Response Time Tracking and Reporting in Outlook / Microsoft 365

Hello, Does Outlook or Exchange Online have a built-in feature to track email response times, identify unanswered emails, and generate reports showing average turnaround times per user or shared 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.

7,487 questions
asked 2026-11-10T15:46:28.11+00:00
Renuka Kaje 0 Reputation points
commented 2026-11-11T20:50:18.0533333+00:00
Kai-L 21,435 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

External Member Email Group

I have a distribution list and added my external email address as a member. However, when an email is sent to this distribution list, I do not receive it on my external email address. In the message trace, I also cannot see any email being sent to my…

Exchange Online
Exchange Online

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

7,487 questions
asked 2026-11-06T02:59:46.49+00:00
Handian Sudianto 7,656 Reputation points
commented 2026-11-11T12:21:27.72+00:00
Aetherin 3,930 Reputation points Independent Advisor
2 answers

Error SMTP 550 when sending emails

I'm having trouble sending emails through my Exchange account. Whenever I try to send an email to an external recipient, I sometimes receive a delivery failure notification with SMTP error 550. I'm not sure what is causing this issue.

Exchange Online
Exchange Online

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

7,487 questions
asked 2026-11-10T17:57:28.0033333+00:00
Hahne Masley 0 Reputation points
answered 2026-11-10T18:07:03.7+00:00
BabybooHN 3,895 Reputation points Independent Advisor
1 answer

Customize an SPF record to validate outbound mail sent from your domain

Customize an SPF record to validate outbound mail sent from your domain

Exchange Online
Exchange Online

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

7,487 questions
asked 2026-11-09T05:55:15.54+00:00
admin@dsalegal 0 Reputation points
commented 2026-11-10T07:06:36.5166667+00:00
Darren Bruce 2,610 Reputation points Independent Advisor
4 answers One of the answers was accepted by the question author.

Deferred mail with error 451 4.7.500 Server busy when sending mail to domains hosted Microsoft office 365

Dear Community. My company's mail server has an issue when sending emails to domains hosted on Microsoft 365. I use postfix as the smtp mail server engine. In the queue log, log like this: 288A2628411A 656263 Wed Oct 11 14:13:56…

Exchange Online
Exchange Online

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

7,487 questions
Microsoft 365 and Office | Install, redeem, activate | For business | Windows
asked 2023-10-11T10:01:20.4666667+00:00
habieb zain 25 Reputation points
answered 2026-11-09T13:34:39.8266667+00:00
Khaled11 0 Reputation points
1 answer One of the answers was accepted by the question author.

Why do we need to archive mail box?

My online Archive mailbox is almost full warning has come in the Outlook asking me to enable archiving mailboxes for microsoft 365. I would like to know after archiving the data will permanently delete or stored in somewhere which can be accessed.

Exchange Online
Exchange Online

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

7,487 questions
asked 2026-11-09T00:43:33.4633333+00:00
Mohamad Ghaji 20 Reputation points
accepted 2026-11-09T00:49:29.81+00:00
Mohamad Ghaji 20 Reputation points
8 answers One of the answers was accepted by the question author.

Stopped receiving emails on my account.

One specific email address is not receiving mail in Outlook. How do I restore 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.

7,487 questions
asked 2025-10-31T19:52:39.45+00:00
Wallace Judd 45 Reputation points
commented 2026-11-06T20:20:02.57+00:00
Vic 0 Reputation points
1 answer One of the answers was accepted by the question author.

Do we need extra licenses Microsoft Defender for Office 365 (Plan 1) for shared mailboxes?

Hello. I would like to confirm that I understand correctly the licensing regarding standard mailboxes for users and shared ones. Microsoft Defender for Office 365 service description. We have 55 users and 10 shared mailboxes that some of the users 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.

7,487 questions
asked 2024-12-18T10:42:26.73+00:00
Dimitris P Kepenos 50 Reputation points
commented 2026-11-06T14:43:03.1866667+00:00
Siboney Reinsch 0 Reputation points
2 answers

Unable to login to Exchange admin with my EA account

Unable to login to Exchange admin with my EA account, not getting option to choose between normasl account and ez account

Exchange Online
Exchange Online

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

7,487 questions
asked 2026-11-06T04:55:54.46+00:00
Damayanti Ghosh (EA) 0 Reputation points
answered 2026-11-06T06:10:08.21+00:00
Kai-Ex 2,655 Reputation points Microsoft External Staff Moderator
1 answer

Cannot access Exchange Online mailbox – Microsoft 365 tenant and account issue

Hello Microsoft Support Community, I need assistance with my Microsoft 365 and Exchange Online configuration. My situation: My email address is [Moderator note: Personally Identifiable Information removed]@nikel.sk. My domain nikel.sk is already…

Exchange Online
Exchange Online

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

7,487 questions
asked 2026-11-04T11:05:07.2066667+00:00
Adriána Mojžišová 0 Reputation points
commented 2026-11-05T14:47:21.5833333+00:00
BabybooHN 3,895 Reputation points Independent Advisor
3 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.

7,487 questions
asked 2026-10-06T13:25:00.2666667+00:00
adminofsense 0 Reputation points
commented 2026-11-04T17:58:13.54+00:00
Alina Le 5,820 Reputation points Independent Advisor