What is SQL Server Compact, and does BarTender require it?
BarTender 2016 and later.
Microsoft SQL Server Compact 4.0 SP1 is a free, embedded database that software developers can use for building ASP.NET websites and Windows desktop applications. Microsoft SQL Server Compact 4.0 SP1 is a required prerequisite for a properly functional BarTender suite. It's used by Integration Builder and Printer Maestro, so removal is not recommended.