The File Extensions Database

.CTX File Extension

  • Developer by: Microsoft
  • Category: Developer Files

What is an .CTX file?

.CTX is Visual Basic Control Binary File

UserControl object data file created by Visual Basic development software; stores images and other binary data that cannot be stored as plain text; saved along with the .CTL file that defines the ActiveX control.

Programs that open Visual Basic Control Binary File
Microsoft Visual Studio
File Type 2 Valve ICE Encoded Script
Developer by: Valve Category: Game Files Format: Binary

Game script encoded by the Information Concealment Engine (ICE) cipher; used by Valve games such as Team Fortress 2 (TF2) and Counter Strike; used for obfuscating game scripts so that users can't tamper with them easily.

CTX files can be converted to .TXT files using Ctx Converter.

NOTE: CTX scripts are created using the Vice program included with the Valve SDK.

Programs that open Valve ICE Encoded Script
Ctx Converter
File Type 3 Cherrytree Password-protected SQLite Document
Developer by: giuspen Category: Compressed Files Format: Zip

A CTX file is a document created by Cherrytree, a note-taking application. It stores document data, which may include text, tables, objects, and images, compressed with Zip compression. CTX files are protected with a password and cannot be viewed without it being entered.

Users often save Cherrytree documents as .CTB files but if they protect them with a password, the documents are saved as CTX files. Cherrytree users may also save documents in XML format as .CTD files. Password-protected CTD files are saved as .CTZ files. CTD and CTZ files are useful for saving documents that are smaller in size than CTB and CTX files.

CTX files are typically opened by Cherrytree, but they may also be opened by 7-Zip in Windows. If a user opens it in 7-Zip, the password must still be entered before the file can be opened.

NOTE: Cherrytree is developed by giuspen, a portmanteau of Giuseppe Penone.

Programs that open Cherrytree Password-protected SQLite Document
giuspen Cherrytree
giuspen Cherrytree

How to solve problems with CTX files

  • Associate the CTX file extension with the correct application. On :
    Windows: Right click on any CTX file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.CTX files". Mac: Right click (or Ctrl-click) the CTX file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .CTX is Visual Basic Control Binary File. Because only the current version supports the latest CTX file format. Search, therefore, e.g. on the Microsoft manufacturer website after an available .CTX is Visual Basic Control Binary File update.
  • To make sure that your CTX file is not corrupted or virus-infected, get the file again and scan it with antivirus software.