How to open a file with .GUI extension?

File Type : GUI Design Studio Project File (Caretta Software Ltd.)
Compatible with (Win10, Win8, Win7, Vista and WinXP)

You'll need a new app to open this .GUI file

Searching for the right program to open .GUI files?

"You'll need a new app to open this file" is probably the most common error faced by millions of Windows users every day. This is either because the program required to open a file is not available on your system or there may be other issues.

We recommend that you run a free scan to check for missing drivers.


What is .GUI file extension?

Project file created by Dr.Explain, a help authoring tool; contains help topics and articles written by the help documentation developer; used for publishing help manuals in Windows Help (.CHM), .PDF, and online HTML formats. Dr.Explain projects can also maintain annotated screenshots, technical illustrations, and other useful help resources.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.

Software that can be used to open GUIfiles:

  • Indigo Byte Systems Dr.Explain