need help with Itouch apps

how do i get the files that end in .ipa.001 to work cause they dont open in itunes rar or anything. they need to be just .ipa
Answer #1
They’re split in parts so join them using HJSplit if you’re using windows or Split & Concat if you’re using a mac.
Answer #2
just rename to .ipd
cause IPAs dont use .001 only rar’s do.
Answer #3
You need to use HJSplit:
http://www.freebyte.com/hjsplit/
Answer #4
thank you will try again with this.