# Cross Version coding

**URL:** <https://www.finalbuilder.com/forums/t/cross-version-coding/4359>\
**Category:** Discussion\
**Created:** [March 12, 2009, 5:22am UTC](https://www.finalbuilder.com/forums/t/cross-version-coding/4359 "2009-03-12T05:22:25Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![deleted\_user](https://www.finalbuilder.com/forums/user_avatar/www.finalbuilder.com/deleted_user/32/937_2.png) [@deleted\_user](https://www.finalbuilder.com/forums/u/deleted_user)\
**Post date:** [March 12, 2009, 5:22am UTC](https://www.finalbuilder.com/forums/t/cross-version-coding/4359/1 "2009-03-12T05:22:25Z")

</div>

I was just wondering - I have several clients that have automise V2 running, if I upgrade to V3 can I still write scripts for them to run or will they have to upgrade as well?

&nbsp;

Thanks

&nbsp;

Gary H

---

<div class="post-metadata">

**Author:** ![Vincent](https://www.finalbuilder.com/forums/user_avatar/www.finalbuilder.com/vincent/32/938_2.png) [@Vincent](https://www.finalbuilder.com/forums/u/Vincent)\
**Post date:** [March 13, 2009, 12:13pm UTC](https://www.finalbuilder.com/forums/t/cross-version-coding/4359/2 "2009-03-13T12:13:59Z")

</div>

Hi Gary   
  
 They will have to upgrade… AT3 can open and run AT2 scripts but AT2 cannot run AT3 scripts.

---

<div class="post-metadata">

**Author:** ![deleted\_user](https://www.finalbuilder.com/forums/user_avatar/www.finalbuilder.com/deleted_user/32/937_2.png) [@deleted\_user](https://www.finalbuilder.com/forums/u/deleted_user)\
**Post date:** [March 13, 2009, 1:58am UTC](https://www.finalbuilder.com/forums/t/cross-version-coding/4359/3 "2009-03-13T01:58:23Z")

</div>

Thanks, thats what i thought, i wll get then to order a few copies, and one for me as well :)