How to Install and Configure Windows, VMware, Virtualization and Cisco on
Author: Bob Lin
Bob Lin, Chicagotech-MVP, MCSE & CNE
Data recovery, Windows OS Recovery, Networking, and Computer Troubleshooting on
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How to Install and Configure Windows, VMware, Virtualization and Cisco on
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Situation: After a user leaves the organization, the client would like to know how they can keep the mailbox available without paying Microsoft 365 license. With a shared mailbox, you can give a single user or multiple users access to it. This article shows you how to convert the mailbox to a shared mailbox.
Login Microsoft 365 admin center.
Expand Users and select Active Users
3. Select the user
4. Open the Mail tab
5. Click on Convert to Shared Mailbox
Click Convert in the confirmation screen.
6. Go to Teams & groups>Shared mailboxes to confirm the conversion.
7. Remove the Microsoft license from the user.
Note:
Mailbox size limited to 50Gb
You can’t sign in directly to a shared mailbox, you will need a user account for that
No Online Archive
Share the mailbox with no more than 25 persons
Users can delete mail from a shared mailbox, there is no way to prevent that.
The Tenant Allow/Block List in the Microsoft Defender portal gives you a way to manually override the Defender for Office 365 or EOP filtering verdicts. The list is used during mail flow for incoming messages from external senders.
The Tenant Allow/Block List doesn’t apply to internal messages within the organization.
In most cases, you can’t directly create allow entries in the Tenant Allow/Block List:
To allow entries in the Tenant Allow/Block List, please fllow these steps: you can’t create allow entries directly in the Tenant Allow/Block List. Instead you use the Submissions page at https://security.microsoft.com/reportsubmission to report the email, email attachment, or URL to Microsoft as Should not have been blocked (False positive).
5. Select the folder where you want to save the rules file, and then In the File name box, type a name for the set of rules that you want to export.
6. If you want to export a file that contains only rules that are compatible with a previous version of Microsoft Outlook, in the Save as type list, select one of the following: