Free tools
Tools
Built for the questions I am asked on real migrations. No sign-up, nothing sent anywhere: they run in your browser or they are plain pages.
Software
To use yourself. The Compass runs in your browser, and the engine is open source and runs where you install it.
Free · no sign-in · in your browserModernise forms and workflowsInfoPath forms and SharePoint Designer workflows, decided option by option: preserve the 2013 workflows on Subscription Edition, modernise the forms, rebuild on SharePoint, engineer in .NET or move to Microsoft 365, each with what it needs, what it costs to keep and the evidence to get first.
Open source · v1.0.0b9M365 Governance as CodeAn open source Microsoft 365 assessment engine that shows what it observed, why it reached a conclusion, and what it could not establish.26 questions 15 areas of Microsoft 365 
Free · no sign-in · generated in your browserSubscription Edition migration packDescribe a SharePoint Server 2016 or 2019 farm and download an editable package of Word and Excel documents for its move to Subscription Edition: compatibility against Microsoft's deprecation list, customisation and elevated-privilege inventories, risks, tasks, tests and a database-attach runbook.
Runs in your browserSharePoint CompassAnswer a short questionnaire and get a rules-based read on your SharePoint environment: what is retired, the risks, the recommended destination and the next steps. Free, private, runs in your browser.18 questions 3 outcomes
End of support
What Microsoft has already retired, what runs out next, and where each thing goes.
Checked 2026-11-11Microsoft end of supportWhat is already out of support and what runs out next, with the date for each version and the step that follows.14 product families 265 releases 
Support ended 14 July 2026InfoPathInfoPath 2013 and InfoPath Forms Services are out of support on every SharePoint Server version, Subscription Edition included. A planner for your own forms, and what Microsoft documents platform by platform: what ended, what each replacement is, and where it can run.
Retired 2 April 2026SharePoint Add-ins and Azure ACSThe SharePoint Add-in model and Azure ACS authentication were retired in SharePoint Online on 2 April 2026. What stops working, what survives untouched, and what an application that still authenticates through ACS has to become.
Support ended 14 July 2026SharePoint DesignerSharePoint Designer 2013 and the SharePoint 2010 workflow platform are out of support, SharePoint Online has retired both workflow platforms, and Subscription Edition keeps SharePoint 2013 workflows only on SharePoint Workflow Manager. What ended where, what still runs, and how to plan the move on premises and online.
From Microsoft's public data
What Microsoft publishes without sign-in, read by a tool this site runs and committed with the date it read. Your browser calls nothing.
Checked 10 November 2026Microsoft 365 network endpointsThe URLs, IP address ranges and ports Microsoft 365 needs, as Microsoft's IP address and URL web service publishes them, and every change it has published since July 2018, version by version.62 endpoint sets 483 change records 
Checked 11 November 2026SharePoint Server security updatesWhat Microsoft fixed in SharePoint Server each month, as its Security Response Center publishes it: each vulnerability, the versions it affects, whether Microsoft marks it exploited, and the update that fixes it.35 monthly documents 270 updates listed