# Where to save custom classes (so they are shared)

**URL:** <https://forum.kirupa.com/t/where-to-save-custom-classes-so-they-are-shared/307756>\
**Category:** flash\
**Created:** [April 9, 2010, 4:08pm UTC](https://forum.kirupa.com/t/where-to-save-custom-classes-so-they-are-shared/307756 "2010-04-09T16:08:42Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![brookisme](https://avatars.discourse-cdn.com/v4/letter/b/ecd19e/32.png) [@brookisme](https://forum.kirupa.com/u/brookisme)\
**Post date:** [April 9, 2010, 4:08pm UTC](https://forum.kirupa.com/t/where-to-save-custom-classes-so-they-are-shared/307756/1 "2010-04-09T16:08:42Z")

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Hi all - I just switched from CS3 to CS4. In CS3 I had built up a big library of my custom classes and saved them in some folder (i forget which and my old hard drive is dead) within my Flash application folder so that I didn´t have to copy the library into every new project I was working on.

For the life of me I cant figure out where to put them in my new CS4 folder.

to be clear - i want to be able to import any of my custom classes like this…

import mylibrary.mycustomclass

without putting a folder “mylibrary” with a file “mycustomclass” in every project i am working on … i want to have it work like any other class native to flash.

thanks.b