Resources
Guides, answers and support
What you need to evaluate Access Witness, answers to common questions, and our guides to SharePoint permissions.
Where to look
Requirements
What to prepare: servers, database, network and the approval in Microsoft 365.FAQ
The questions buyers and their IT teams ask most, answered plainly.Security
Where your data lives, what we receive, and how updates are protected.Blog
Technical guides on SharePoint permissions, historical access, Entra ID groups, external sharing and audit.Support
How to reach support, what to include, and where the FAQ lives.
Latest guides
- SharePoint Permissions11 min read, intermediate
How to Find Out Why a User Has Access to a SharePoint Site
Trace direct, inherited and nested group access in SharePoint Online, from the role assignment on the resource down to the identity, using the admin UI, REST and PowerShell.
- Entra ID10 min read, intermediate
SharePoint Groups vs Microsoft 365 Groups vs Entra ID Security Groups
Three kinds of group grant SharePoint access and they behave differently for scope, nesting, ownership, guests and audit. Here is how each one works and how to tell them apart in a role assignment.
- Historical Access12 min read, advanced
How to Audit Historical SharePoint Permissions
SharePoint keeps no permission history. This guide shows what the audit log can and cannot reconstruct, how to build a baseline plus event approach with PowerShell, and how to state confidence honestly.