7,165 questions with Exchange Online tags

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2 answers

Room Finder in Outlook is showing stale building data.

We have recently added a new meeting room to our building, we have added this to exchange (meeting room resource). At the same time we wanted to update location data to reflect real world location. We have done this through PowerShell with the -Building…

Exchange Online
Exchange Online

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

7,165 questions
asked 2026-05-06T06:42:43.37+00:00
Robert Szøke 0 Reputation points
commented 2026-05-06T10:03:36.2533333+00:00
Robert Szøke 0 Reputation points
1 answer

can't Exchange account on Android

I am unable to add an Exchange email account to my Android tablet. When adding, I am only being given the choice of Pop and Imap. Moderator's note: Moved from Outlook | Outlook for mobile | Outlook for Android | For home

Exchange Online
Exchange Online

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

7,165 questions
asked 2026-05-05T13:21:05.2+00:00
Marc Hodghton 0 Reputation points
commented 2026-05-06T09:16:27.57+00:00
Marc Hodghton 0 Reputation points
3 answers

Emails not sending

My emails are not sending today. It is the first time this has happened. The error messages are: Delivery has failed to these recipients or groups. Diagnostic information for administrators: Remote server returned '550 5.7.705 Access denied, tenant has…

Exchange Online
Exchange Online

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

7,165 questions
asked 2026-04-30T02:52:00.09+00:00
Neurodiversetherapiesptyltd 0 Reputation points
edited an answer 2026-05-06T02:44:23.9033333+00:00
Austin-H 8,355 Reputation points Microsoft External Staff Moderator
2 answers

I don't know, need help

I need help with this problem Moderator's note: Moved from Outlook | Classic Outlook for Windows | For home

Exchange Online
Exchange Online

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

7,165 questions
asked 2026-05-05T21:42:46.63+00:00
Thomas Thompson 0 Reputation points
edited an answer 2026-05-06T01:31:08.68+00:00
Teddie-D 15,210 Reputation points Microsoft External Staff Moderator
2 answers

Undeliverable emails; Error is [0x80004005-0x00000b22-0x00000501].

We are trying to email a monthly newsletter to the 400 members of our networking group. The 1st & 2nd emails, each with 50 email addresses in the BCC, went through ok. The other emails all returned an undeliverable message. Undeliverable 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.

7,165 questions
asked 2026-05-05T22:38:34.6066667+00:00
Somerset Lesbian Network Admin 0 Reputation points
edited an answer 2026-05-06T00:45:29.95+00:00
Dora-T 13,060 Reputation points Microsoft External Staff Moderator
2 answers

Outlook randomly not syncing new emails unless I force refresh

My inbox just sits there and doesn’t pull new emails until I manually hit refresh. No errors, internet is fine, and it happens on both desktop and mobile. Cached mode is on. Not sure if this is some weird sync delay, Autodiscover hiccup, or something…

Exchange Online
Exchange Online

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

7,165 questions
asked 2026-04-20T01:43:30.79+00:00
garwin clark 0 Reputation points
commented 2026-05-05T23:47:43.32+00:00
Hani-Ng 10,575 Reputation points Microsoft External Staff Moderator
2 answers

outlook quit receiving emails after renewal of 365

outlook stopped receiving emails after renewal of 365 Moderator's note: Moved from Microsoft 365 and Office | Other

Exchange Online
Exchange Online

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

7,165 questions
asked 2026-05-03T22:16:59.4266667+00:00
Dan Anderson 0 Reputation points
commented 2026-05-05T02:47:22.37+00:00
Teddie-D 15,210 Reputation points Microsoft External Staff Moderator
2 answers

Email migration

Hi All, I have a question regarding an email migration I am performing using the Microsoft FastTrack solution to migrate mailbox data from Google Workspace to Microsoft 365. I have completed the synchronization stage for 10 users and am now preparing 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.

7,165 questions
asked 2026-05-03T17:38:55.3866667+00:00
Glenn Maxwell 13,721 Reputation points
commented 2026-05-05T02:24:37.1533333+00:00
Hani-Ng 10,575 Reputation points Microsoft External Staff Moderator
3 answers

DL based email

I send bulk emails to the entire organization, e.g., emails from Learning & Development ID. These are creative images or generic text emails about trainings etc. My inbox is flooded with delivery failure emails due to multiple reasons. How can 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.

7,165 questions
asked 2026-05-04T11:43:38.4433333+00:00
Subesh Bhattacharjee 0 Reputation points
answered 2026-05-04T12:51:22.1166667+00:00
Michelle-N 15,545 Reputation points Microsoft External Staff Moderator
2 answers

Full Access permission in outlook, but getting an error

Added mailbox, but getting the following error via webmail. Any thoughts?

Exchange Online
Exchange Online

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

7,165 questions
asked 2026-05-01T15:57:24.8733333+00:00
Payne, Wesley 0 Reputation points
commented 2026-05-04T07:40:48.06+00:00
Jayden-P 20,415 Reputation points Microsoft External Staff Moderator
1 answer

This is a hacked email. Can you please show the name and location of it.

[Moderator note: Personal information has been removed to protect privacy and security]

Exchange Online
Exchange Online

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

7,165 questions
asked 2026-04-29T23:52:00.5566667+00:00
DG 0 Reputation points
commented 2026-05-04T06:06:40.0566667+00:00
Hani-Ng 10,575 Reputation points Microsoft External Staff Moderator
2 answers

I only want my .txt records to updated and not my mx records because I use Microsoft is this possible?

I don't want google taking over my email I want to use o365 is this easy to do? Moderator note: Moved from Microsoft 365 and Office | Other

Exchange Online
Exchange Online

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

7,165 questions
asked 2026-04-29T16:22:11.7066667+00:00
Peter Flynn 0 Reputation points
commented 2026-05-04T06:04:41.2766667+00:00
Hani-Ng 10,575 Reputation points Microsoft External Staff Moderator
2 answers

cannot set up new account with emclient

Authentication failed. Error obtaining credentials Via Oauth. Em client client help thinks it is something to do with microsoft but dont know what. Can anyone help?

Exchange Online
Exchange Online

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

7,165 questions
asked 2026-04-30T16:03:51.6766667+00:00
susan cory 0 Reputation points
commented 2026-05-04T02:22:11.2866667+00:00
Teddie-D 15,210 Reputation points Microsoft External Staff Moderator
2 answers

Oasis Email Connector

I'm having issue with emails processed through Oasis Sale Program not showing in sent email and getting marked as spam by our clients. I currently have the Enterprise App attached but I feel like I'm missing a setting that causing this problem.

Exchange Online
Exchange Online

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

7,165 questions
asked 2026-04-30T20:03:13.9033333+00:00
Virginia Hall 0 Reputation points
commented 2026-05-04T02:02:12.6533333+00:00
Dora-T 13,060 Reputation points Microsoft External Staff Moderator
2 answers

Executive User Cannot Approve/Decline Meetings for Himself in His Conference Room

Our CEO has two administrative assistants who can currently delegate approval/declining his conference room. When he attempts to block out a meeting in the Executive Conference Room for himself, he's told that the meeting is tentative and awaiting…

Exchange Online
Exchange Online

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

7,165 questions
asked 2026-04-29T17:17:41.9733333+00:00
Keaston Smith 0 Reputation points
commented 2026-05-02T22:39:51.0666667+00:00
Hin-V 14,180 Reputation points Microsoft External Staff Moderator
3 answers

Need an Exchange Transport Rule to identify mail sent to an Alias or Plus address

I want to create an Exchange transport (mail flow) rule to let the user know what (+)plus or alias address a mail was actually sent to. As opposed to the primary address of the recipient. Something like this: IF [RecipientAddressType:Original]…

Exchange Online
Exchange Online

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

7,165 questions
asked 2026-04-29T20:13:11.69+00:00
Jon Martin 0 Reputation points
edited a comment 2026-05-02T21:11:22.7333333+00:00
Hin-V 14,180 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

365 S/MIME signed Emails

Hello. I have a situation where a user I support cannot reply to S/MIME signed emails from OWA. The user has a business premium license. She seems to be able to reply to the same email through Classic Outlook but cannot through OWA. We do not have 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.

7,165 questions
asked 2026-04-30T16:13:47.5266667+00:00
Sean Slaton 40 Reputation points
accepted 2026-05-01T03:24:10.87+00:00
Sean Slaton 40 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.

7,165 questions
asked 2025-10-31T19:52:39.45+00:00
Wallace Judd 40 Reputation points
commented 2026-04-30T20:21:20.5766667+00:00
Nancy Minnick 0 Reputation points
2 answers

inbox rules in Exchange Online not processing emails consistently?

My mailbox rules intermittently fail to move or forward incoming emails, even though the rules are configured correctly. What could cause inconsistent inbox rule processing, and how can this be troubleshooted?

Exchange Online
Exchange Online

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

7,165 questions
asked 2026-04-29T03:33:35.59+00:00
Abdes Lienesi 20 Reputation points
commented 2026-04-30T05:47:49.6566667+00:00
Hani-Ng 10,575 Reputation points Microsoft External Staff Moderator
3 answers One of the answers was accepted by the question author.

Acceso a Microsoft exchange administración global

Hola buenas tardes. Al asociar mi dominio en la administración global de Microsoft Exchange (Plan 2) he perdido el acceso a la administración global, y quisiera saber el procedimiento a seguir para recuperar el acceso. No puedo acceder ni con…

Exchange Online
Exchange Online

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

7,165 questions
asked 2026-04-27T17:54:57.0533333+00:00
Isabel Albiach 20 Reputation points
commented 2026-04-29T23:20:26.06+00:00
Dora-T 13,060 Reputation points Microsoft External Staff Moderator