Introduction When working with the UserInformationList in SharePoint via Microsoft Graph, you might encounter challenges when trying to search or filter user information. This post highlights the issues I faced while attempting to use $search and $filter queries on the UserInformationList, along with examples and insights within M365 Copilot declarative agent. Issue 1: Search by Email Did Not Work I attempted to search for a user by their email address using the $search query, but it did not return any results.