Copying after effects project

[S001 A]

Hi,

I have a question. so recently I ended a project. It was 4000 x 4000. but later I needed it into 1980x1020. so I copied (Copy paste) the original AE file in the same folder and Created a new project with 1920 x 1080 dimension. and imported the copied AE file into the new project and from there I am redoing some animation  to fit 1920 x 1080 screen.

After a while suddenly a thought came into mind and it drives me crazy. Will this copied AE file hamper the original one (4000 x 4000). Yes or No, Please help me. Yes or No

[Rick Gerard · Accepted solution]

AEP files are not linked to each other. Each one is an entirely separate project.

Duplicated comps inside the Project Panel that contain pre-comps are still linked to the pre-comps (nested compositions). You need to use a script to make independent duplicate comps when they contain pre-comps or laboriously duplicate the pre-comps and then Alt/Option-drag them to the new timeline to replace the original pre-comps with the new ones. 

[S001 A]

Thank you so much.