Hi,
under Options/Preferences . . . Maximum Frames Count, the number here,
equates to the number of columns in Key Frames Editor.
Regards Tim
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You can design without engineering, but you cannot engineer without design.
Using Win 10 with Designer 2016/2017 and TurboCAD Pro. Plat. 2018/2019 + Lightworks (64-bit versions) + AnimationLab 5.2.
Windows 10 Pro 1903 (Build 18362.476) 64-bit