Mods Updating - Having to Redownload Every Time!!

[lwoadam 0]

Hello

 

Let me say I am late to the amazing ARMA series

 

That being said I have downloaded many mods on steam and use an External SSD F:\ and have Steam pointing to that.  Why in the world do my mods seem to delete everytime and have to update / entirely re-download?  I swear it's the 5th time it's happened.

 

What am I doing wrong?? Are these mod folders saving on my C:\ drive or something when Steam re-downloads?  I want to run ARMA3 and all mods off the SSD so I can take the game with me to play elsewhere.  

 

If this is something that needs to happen then whatever, but it seems weird I have 200 GB of "updates" every week.