How to check all emails sent, recieved or created in the past
In my office we`re currently using "Microsoft 365 apps for business(version 2306)". As I wrote in the title, we are looking for a way to look through emails sent, received or created in the past. If possible we want to check the deleted emails…
Microsoft Exchange Online
How can I block a mass number of senders within Outlook Exchange?
I have an end user receiving massive amounts of spam messages from many addresses. In fact, they have over 4000 senders sending over 17000 messages. I need to block the sending addresses in in large quantities. Is there a way for me to upload a csv file…
Microsoft Exchange Online
Microsoft Exchange Online Management
PowerShell
Dynamic Distribution List member's name showing as Object ID after refresh or exit
I have created one DDL in Exchange online. One member added as a member. After closing and opening again my member username showing as alpha numeric values like GUID or object ID.
Microsoft Exchange Online
Microsoft Exchange Online Management


Public Folder Migration - Exchange 2013 > Office 365 - Stuck at 95% - MailEnabling Public Error
Hello I am trying to migrate our public folder to Office365 following this guide: [https://learn.microsoft.com/en-us/exchange/collaboration/public-folders/migrate-to-exchange-online?view=exchserver-2019 Everything runs through fine, there are no errors…
Microsoft Exchange Online
Exchange Server
Microsoft Exchange Online Management
Exchange Server Management
Microsoft Exchange Hybrid Management
M365 F3 licensed users still showing to have Online Archive
Hi, We have moved some users from E1 to F3 (M365 F3). As per Microsoft site, it states Online Archive is not available for F3. However for users who got F3 still has access to Online Archive and have necessary quota (50GB) which was earlier there. Will…
Microsoft Exchange Online
Need information on Microsoft Message Trace GCC Support to request OAuth Token
I'm exploring MessageTrace report API: https://reports.office365.com/ecp/reportingwebservice/reporting.svc/MessageTrace, I can see that, to generate OAuth Token I need to make a GET call to: https://login.windows.net/<tenant-id>/oauth2/token . Does…
Microsoft 365
Microsoft Exchange Online
Office Development
Microsoft Exchange Online Management
Exchange Server Development
We want to go cloud only with Exchange online, but documentation suggests that we must have an Exchange server on-premises since we have EntraID connect for directory synchronization. Is this true?
We have Microsoft Exchange online in a hybrid configuration with one single Exchange 2016 server. I noticed that Exchange 2016 and 2019 are EOL in October 14 of this year, which means that we may need to migrate to Exchange Server SE on premises to keep…
Microsoft Exchange Online
Exchange Server
Microsoft Exchange Hybrid Management
Microsoft Entra ID
add members in bulk to Mail enabled security group
Hi all, Is there a way to add bulk users into a mail enabled security group and if so does any one have some guidance on this Thanks
Microsoft 365
Microsoft Exchange Online
Microsoft Exchange Online Management
query on onedrive
Hi All, I have a user, ******@contoso.com, and I need to determine how many users currently have access to user1's OneDrive. If user1 has shared any files or folders with other users, I want to revoke all their access. Please guide me how to achieve…
Microsoft Exchange Online
OneDrive
SharePoint
Microsoft Exchange Online Management
OneDrive Management
Can't remove Distribution group
Why I get: Resource '' does not exist or one of its queried reference-property objects are not present. DualWrite (Graph) RequestId: 692cd25a-bfdc-4511-b01c-249e5d28d547 And how to solve?
Microsoft Exchange Online
show the alias instead of the primary email address
When creating a new (shared) mailbox for Office 365 using the primary email address, you can also choose to add multiple alias email addresses. When sending an email to one of these alias addresses, the recipient will always see the primary email address…
Microsoft Exchange Online
Microsoft Exchange Online Management
Why are my clients recieving a verification request when booking a meeting with me, and can it be turned off?
I have been informed by some clients of an issue when using the book with me link. They are booking a meeting slot, then being told to verify email. When doing this on a phone, they are having to leave the booking to verify, then return to the booking…
Microsoft Exchange Online
NEW OUTLOOK "Group into conversations" not working for Shared Mailbox
Hi everyone, Can someone advise if in the version: "Microsoft Outlook Version 1.2023.516.100 (Production)" we can set the view in Shared Mailboxes to "Group into conversations". It is showing that it is enabled but not working. What…
Microsoft Exchange Online
Outlook
Outlook Management
OAuth2 for SMTP.SendAsApp granting AccessToken but returns 535: 5.7.3 Authentication unsuccessful
Hello, we are currently trying to connect/authenticate to the Smtp server as an application, so without user interaction. But we get an error 535: 5.7.3 Authentication unsuccessful when trying to authenticate with OAuth2 access token with our Smtp…
Microsoft 365
Microsoft Exchange Online
Microsoft Exchange Online Management
Unable to remove GuestMailUser with missing the actual Entra ID Guest User
Hello, I encountered a problem where we imported external users and it created duplicate records of GuestMailUser in Exchange Online for the same person ******@contoso.com with the identical records. It had 1 single guest user in Entra ID that we have…
Microsoft Exchange Online
Microsoft Exchange Online Management
Microsoft Exchange
How to setup an email storage alerts to get admins notified when each individual users mailbox reaches at least 90 percent storage in EXO?
How to setup an email storage alerts to get admins notified when each individual users mailbox reaches at least 90 percent storage in EXO? For example: If users mailbox reached at 90 or 95 percent then it should send an alert saying xyz users mailbox has…
Microsoft 365
Microsoft Exchange Online
Microsoft Exchange Online Management
Exchange Server Management
One user is not receiving incoming emails from a specific domain, while other users can.
Subject: Email Issue for a Specific User Hello, We have a user in our tenant who is not receiving emails from a specific company with whom we do business. While this user can send emails to their contact at that company's domain, our user does not…
Microsoft Exchange Online
Exchange Server
Microsoft Exchange Online Management
Exchange Server Management
Workaround over Tennant Allow/Block lists Allow entries expiration
I'm trying to find a workaround for the new limitation that Allow entries in Exchange Online Protection will expire. Has anyone found a solution?
Microsoft Exchange Online
How to set an event when admin gives delegation to shared mailbox
Hello all,While giving delegation to Terminated user shared mailbox we want to make it for 60days and then need to follow up with the delegate on next step to remove or extend the delegation To get this is there a way to create an event after 60days of…
Microsoft Exchange Online
Microsoft Exchange Online Management
How to trace creation of a user by a Service Principal and Microsoft Substrate Management?
Hello, We had a new user get created in our Entra tenant, and the audit logs show it was created by a Service Principal. Details in the audit log show the ID as "Microsoft Substrate Management" which I understand to be part of a write-back…