Deprecating Conversion of Distribution Lists to Microsoft 365 Groups

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When Microsoft 365 Groups were launched as a collaboration tool, we introduced a feature in the Exchange admin center and PowerShell to migrate existing distribution lists (DLs) to Groups. This feature was designed to provide continuity for DL users and to enable continued collaboration without having to make new groups from scratch.

As Microsoft 365 Groups is now a mature feature, we are deprecating the feature for migrating DLs to Groups. The deprecation will happen on February 1, 2023.

Post the deprecation, you can use the following process, to convert eligible DL to a Group. In the Exchange admin center, create a new Group with the following properties:

Group Type: Microsoft 365

dltogroup01.png

Give it a temporary name, like for example tmpGroup and assign it a temporary email address like for example tmpgroup@contoso.com:

dltogroup02.png

As Group owners, assign the owners of the DL that you are trying to convert, and do not add and group members at this point (unless the original DL has just a handful of users).

Next up, use the Azure Active Directory (Azure AD) portal to export the members of the original DL to a CSV file.

dltogroup03.png

In the Azure AD portal, add members to the tmpGroup using the CSV file downloaded in step 2 (adjust the file format according to the sample provided).

dltogroup04.png

Once the bulk import has completed, use the Exchange admin center to delete the original DL and then update the name, email, and alias of the tmpGroup to replace the original DL.

If you’d like a refresher on Microsoft 365 Groups, please see Overview of Microsoft 365 Groups for administrators.

Microsoft 365 Groups team

Read full article (Microsoft Exchange Blog)

All content and images belong to their respected owners, this article is curated for informational purposes only.

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