It is possible to store content file at different location

consider i have my project in D:/Projects/plainkit-master and i have one page i want to store that page content(.txt etc) in different location like in C: drive or other folder like D:/sample. It is possible

You can create a symbolic link (symlink) using the command prompt. Basically you first create a page in Kirby as normal, then you move the file to your desired location and replace the original file in Kirby with a symlink that points to your custom location.