Audit log search in Security and Compliance center in Office 365.
Audit log search
Here you will catch detailed access on what end users are doing which activities within the sites like add users, folder activities, documents activities much more. You'll be able to find activity related to email, groups, documents, permissions, directory services etc.
You can search the Office 365 audit log for activities that were performed within the last 90 days.
Let’s select the activities first that you wish to search and get the result. Fill out the require details for search criteria.
ActivitiesChoose the activities from dropdown menu that you wish to search for.
UsersClick in users box and it will populate available users to select one or more users to show search results for.
File, folder or siteEnter certain or all of a file or folder name to search for activity related to the file of folder that contains the specified keyword.
Notespecial character like \ / - _ not supported in the search query.
ResultRun a search to view results. The results display with date and time when the event occurred, IP address of your used device, user, Activity which performed by user, item, Details of result sets.
Powershell Scripts: Basic Operations on SharePoint 2013 Online using CSOM