Update 1/20/2022: We have edited this post for clarity based on customer feedback.
Over the last few years, we have invested heavily in Microsoft Graph to enable developers to access the rich data ...
Updated Jan 20, 2022
Version 5.0
Blog Post
Ability to fetch contact groups, also called contact lists (and not contact folders), is not available in Graph API. https://docs.microsoft.com/en-us/graph/api/user-list-contacts?view=graph-rest-1.0&tabs=http and https://docs.microsoft.com/en-us/graph/api/user-list-contactfolders?view=graph-rest-1.0&tabs=http doesn't fetch contact group, though the "count" of items that is retrieved does include those contact groups/lists but not their actual data.
Is it possible to bring this feature to Graph, as it is a huge blocker for Exchange Online Migration using Graph.
Submitted an idea requesting for this feature: https://techcommunity.microsoft.com/t5/microsoft-365-developer-platform/fetch-contact-group-using-graph-api/idi-p/3262621