Hi Mikael, we started working on the ne/NOT operator for $filter.
In the meanwhile, check out other features we recently implemented for identity objects: https://aka.ms/CountFilterMSGraphAAD
9 votes2 comments · Microsoft Graph Feature Requests » Calendar (Outlook) · Flag idea as inappropriate… · Admin →
21 votes1 comment · Microsoft Graph Feature Requests » Sites and Lists (SharePoint) · Flag idea as inappropriate… · Admin →
We are investigating the technical requirements to see if we can move this to the backlog. -EY
4 votesunder review · 0 comments · Microsoft Graph Feature Requests » General · Flag idea as inappropriate… · Admin →
Request grouped under investigation OFFICE 365 API ENHANCEMENTS. Investigation currently in progress with expected internal report-out date of 8/1. Public updates to follow soon after the internal review, exact date tbd.