What is CTX? What Opens a CTX? File Format List from WhatIs.com

File Extension

CTX File Format

Visual Basic User control binary file

CTX is a file extension for a control binary file used with Visual Basic. CTX files contain images and binary data. CTX files correspond to a Visual Basic CTL file, which is used to contain the text or non-binary data information. CTX files can be opened and edited with Microsoft Visual Studio.

Other associations for the CTX file extension include Pretty Good Privacy (PGP) ciphertext files and Microsoft online course text files.

Learn more about .CTX files:

Read more about Visual Basic at ITKnowledgeExchange.com.

Visit the  Microsoft Visual Basic web page.

This was last updated in September 2010
Editorial Director Margaret Rouse

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