If you are looking to programmatically decode or parse a Camtasia file (reverse engineering the code), the structure generally follows the standard AVI RIFF format but with custom stream headers.
Here is a breakdown of the "Camtasia Code" (TechSmith Screen Capture Codec) typically discussed in technical documentation: camtasia code
If you purchased a perpetual license, your key follows the format XXXXX-XXXXX-XXXXX-XXXXX-XXXXX . You can recover it by visiting the TechSmith Key Lookup Tool or logging into your TechSmith Account . If you are looking to programmatically decode or