Outdated codecs. Fix: Reduce canvas size to 720p, disable hardware encoding, and export as MP4 (H.264).
When Windows users were running Camtasia Studio 9 , Mac users were actually running Camtasia 3 . Camtasia Studio 9 Download Mac
However, a specific search term continues to perplex users across the internet: Outdated codecs
A collection of pre-made backgrounds, icons, and music tracks directly accessible in the editor. disable hardware encoding
In the TechSmith Download Center, select "Camtasia (Mac)" and then choose "3.x" from the version dropdown.