Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,640 questions
1 answer
UTC Date: 2025-08-28T18:00:41.810Z Client Id: Session Id: Client Version: 20250822.01 BootResult: configuration Back Filled Errors: None err: Microsoft.Exchange.Clients.Owa2.Server.Core
I can't login in mysis UTC Date: 2025-08-28T18:00:41.810Z Client Id: Session Id: Client Version: 20250822.01 BootResult: configuration Back Filled Errors: None err:…
Exchange Online
asked 2025-08-28T18:05:11.71+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(313.6, 72%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELM%3C/text%3E%3C/svg%3E)
L Mkhize
15
Reputation points
commented 2025-10-25T07:17:58.66+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(259.20000000000005, 47%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EU%3C/text%3E%3C/svg%3E)
ucrpanchkula
0
Reputation points
1 answer
Fix NDR error code "550 5.1.1" through "550 5.1.20" in Exchange Online
I have been doing an email outreach but the email keeps getting blocking and getting this error Fix NDR error code "550 5.1.1" through "550 5.1.20" in Exchange Online This message couldn't be delivered because the sending email…
Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,640 questions
asked 2025-10-24T06:33:03.63+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(163.2, 4%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESG%3C/text%3E%3C/svg%3E)
Serah Githambo
0
Reputation points
edited the question 2025-10-25T06:34:04.3966667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(80, 18%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAH%3C/text%3E%3C/svg%3E)
Austin-H
5,780
Reputation points Microsoft External Staff
Moderator
2 answers
Changing Email Addresses From .onmicrosoft.com
A nonprofit I volunteer with has been using Google Workspace for email and file storage. So, for example, a user would have the email address, ******@mynonprofit.org and the MX record for the domain point to Google mail servers. They then got a MS 365…
Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,640 questions
asked 2025-10-24T19:00:16.33+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(54.400000000000006, 4%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EWH%3C/text%3E%3C/svg%3E)
Wayne Herbert
0
Reputation points
answered 2025-10-25T03:37:49.2233333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(217.60000000000002, 19%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKN%3C/text%3E%3C/svg%3E)
Kudos-Ng
7,850
Reputation points Microsoft External Staff
Moderator
6 answers
godaddy with office 365 to office 365 migration
team i have office 365 with godaddy and we know that they are using their own versions rebranded names of office 365 packages and I wish to move from godaddy to another O365 reseller. Based on my findings, its not something easy similar to just changing…
Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,640 questions
asked 2023-03-01T13:03:38.2+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(233.6, 26%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EE%3C/text%3E%3C/svg%3E)
eg1995
1,156
Reputation points
commented 2025-10-25T03:27:45.5366667+00:00
Ahmed Masoud
165
Reputation points
1 answer
Debug unsuccessful login for some users
We are using a SAAS solution, which is using an Entra ID Enterprise Application to send emails on behalf of the users via our M365 tenant. This is working for an newly added user, but for existing users this is failing with an error from outlook :…
Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,640 questions
asked 2025-10-24T16:19:49.2933333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(147.20000000000002, 10%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECV%3C/text%3E%3C/svg%3E)
Christian Vierkant
0
Reputation points
answered 2025-10-25T01:54:52.32+00:00
Kudos-Ng
7,850
Reputation points Microsoft External Staff
Moderator
1 answer
Prevent non outlook email connexion during sso
I have an microsoft outlook sso flow connexion already setup in my app. My problem is that during the sso, if the user wants to login with a gmail account it will work and create an microsoft outlook account on the fly. I want to prevent this,…
Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,640 questions
asked 2025-10-24T14:19:44.5066667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(201.6, 99%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMJ%3C/text%3E%3C/svg%3E)
MARSEILLE Julien
0
Reputation points
edited an answer 2025-10-25T00:39:38.47+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(102.4, 11%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETD%3C/text%3E%3C/svg%3E)
Teddie-D
6,630
Reputation points Microsoft External Staff
Moderator
2 answers
Cutover Migration Exchange 2019 > Exchange Online ERROR MapiExceptionInvalidType (PropId: 0x3905)
I'm performing a cutover migration from Exchange 2019 to Exchange online, but every time i try to create the migration batch I get this error: MapiExceptionInvalidType: Can't convert an incompatible type. PropId: 0x3905, PropType: Error, PropValue's…
Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,640 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(96, 32%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EP%3C/text%3E%3C/svg%3E)
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(48, 91%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
1 answer
This message couldn't be delivered because the sending email address was not recognized as a valid sender. The most common reason for this error is that the email address is, or was, suspected of sending spam. Contact the organization's email admin for he
Getting an error message while sending an email and all my sent emails are bouncing back -- This message couldn't be delivered because the sending email address was not recognized as a valid sender. The most common reason for this error is that 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.
6,640 questions
asked 2025-10-06T03:30:08.2466667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(291.2, 99%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMS%3C/text%3E%3C/svg%3E)
Mona Sehgal
0
Reputation points
edited a comment 2025-10-24T16:54:50.03+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(89.60000000000001, 9%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELA%3C/text%3E%3C/svg%3E)
Lisa admin
0
Reputation points
2 answers
Auto responder feature not working
Hello Please i need your help on this issue. Auto responder feature not working. I regularly use the auto responder feature when Team members are away. However, I have an activate today I cannot get it to work. I’ve sent several tests, and nobody 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.
6,640 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(284.8, 41%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERR%3C/text%3E%3C/svg%3E)
1 answer
Exchange Online mailbox search not working for hybrid user
Hello Please i need your help on this issue. Exchange Online mailbox search not working for hybrid user. We are experiencing a persistent mailbox search issue for a user in our hybrid environment. The user is a DirSync object, but our on-prem Exchange…
Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,640 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(144, 15%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJB%3C/text%3E%3C/svg%3E)
2 answers
One of the answers was accepted by the question author.
M365 Admin silently fails to update distribution group members
Earlier this year, we migrated hybrid distribution groups to the cloud by following these steps: Record distribution group info (members, addresses, etc) Delete the group from Active Directory and wait for Entra sync Create a new cloud distribution…
Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,640 questions
asked 2025-10-23T13:49:47.3666667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(268.8, 22%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFG%3C/text%3E%3C/svg%3E)
Feindel, Gabriel
20
Reputation points
commented 2025-10-24T14:07:46.9966667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(105.60000000000001, 69%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHV%3C/text%3E%3C/svg%3E)
Hin-V
7,295
Reputation points Microsoft External Staff
Moderator
1 answer
Delete an Exchange Primary Account
I had to reset my PC and when setting up Outlook again, I inadvertently set it up using Exchange instead of my dns server. I am now unable to change it or delete the account to start again. Any ideas 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.
6,640 questions
asked 2025-10-24T11:29:45.6033333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(76.8, 89%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EEH%3C/text%3E%3C/svg%3E)
Ed Higgins
0
Reputation points
answered 2025-10-24T13:08:02.8666667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(227.2, 9%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMN%3C/text%3E%3C/svg%3E)
Michelle-N
6,685
Reputation points Microsoft External Staff
Moderator
2 answers
Undeliverable reports email address
I am in the process of decommissioning our on-premises GFI Archiver. We are hybrid. I have a GFI Journal rule for our third-party external mailbox. I will disable this rule. I cannot find the setting for the undeliverable reports. When I set this up 2…
Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,640 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(134.4, 7.000000000000001%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(105.60000000000001, 84%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHN%3C/text%3E%3C/svg%3E)
1 answer
How-to Import certificates in OWA for 365 tenant users to sign and encrypt messages and choose which certificate to use on each email.
Hello Please i need your help on this issue. How-to Import certificates in OWA for 365 tenant users to sign and encrypt messages and choose which certificate to use on each email. we want help on how to setup and import certificates in owa, so users can…
Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,640 questions
2 answers
User getting "message cannot be sent"
I'm running into a problem where users in my tenant cannot send emails from group inboxes. If they try to type a reply in and then hit send, they get the pop-up that outlook "Couldn't send this message" and then everything they typed 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.
6,640 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(38.4, 12%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ES%3C/text%3E%3C/svg%3E)
1 answer
How i can get the NameId of an active user account if we have 2 users with the same email; one whihc is active and the other is inactive
We have 2 users with the same email; one which is inactive and the other is active. now in SharePoint any user who access the site will be added to the SharePoint hidden list, now even if the user account is deleted from AD or get deactivated 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.
6,640 questions
asked 2025-10-22T15:24:18.0533333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(272, 15%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJJ%3C/text%3E%3C/svg%3E)
john john Pter
1,160
Reputation points
commented 2025-10-24T10:02:41.3766667+00:00
Teddie-D
6,630
Reputation points Microsoft External Staff
Moderator
1 answer
DNS Records & Outlook
Over the weekend we our team has randomly not been able to log into emails. Outlook is not even registering that we have emails via microsoft which we have been using for almost 2 years. When someone tries to send an email they get a Error response --…
Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,640 questions
asked 2025-10-22T16:28:56.42+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(137.6, 22%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EOC%3C/text%3E%3C/svg%3E)
ONE Church Lima
0
Reputation points
commented 2025-10-24T10:32:23.2766667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(297.6, 3%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVV%3C/text%3E%3C/svg%3E)
Vergil-V
5,695
Reputation points Microsoft External Staff
Moderator
2 answers
One of the answers was accepted by the question author.
Can't move domain from godaddy to my microsoft tenant
I'm trying to move my Godaddy domain to Microsoft and have it fully managed by Microsoft, I have the EPP code and go through the process but I never get asked to supply the EPP code so the domain in my tenant continues to say that the domain DNS 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.
6,640 questions
asked 2025-10-23T09:34:18.5666667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(41.6, 48%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECG%3C/text%3E%3C/svg%3E)
Caroline Gilchrist Estella
20
Reputation points
accepted 2025-10-24T11:38:52.91+00:00
Caroline Gilchrist Estella
20
Reputation points
2 answers
One of the answers was accepted by the question author.
Outlook on the web shows delays in folder synchronization for shared mailboxes
I’m seeing a recurring issue where shared mailboxes in Exchange Online load slowly or fail to sync folder changes in Outlook on the web. Messages eventually appear after several minutes, but updates like moved or deleted items are delayed across users…
Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,640 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(86.4, 97%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJ%3C/text%3E%3C/svg%3E)
1 answer
How To Mass Delete Contacts Within the People Tab
I am a Microsoft Admin for a tenant. I have a user with 35 ,000+ contacts from a corrupted migration. Some contacts are phone numbers, while others contain an E-Mail address. I can't simply "Ctrl + A" & mass delete the contacts (have tried…
Exchange Online
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
6,640 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(137.6, 28.999999999999996%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EN%3C/text%3E%3C/svg%3E)