But of course that is not the way eM Client is designed to work. This is the one major difference between MS Outlook and eM Client; there is no need to have separate data files.
There is nothing wrong with having all your data in one place, whether you need to see it all the time or not. If you don’t want to sync it with an online server, then just keep these CVs in Local Folders. They will only be stored on your computer, but be instantly accessible when you need them.