.RCT File Extension
File TypeVisual Studio Resource Template
What is an RCT file?
Template file created by Visual Studio, a Windows software development tool; may store bitmaps, cursors, dialogs, HTML, icons, and other resources; saves time when creating new resources (.RC files) with similar settings and features.
To create a new resource compiler template, right-click your project in the Solution Explorer, select, and then select "Native Resource Template" from the list.