If you are dealing with a computer file, are you having trouble extracting it?
Based on your query, it seems there might be a misunderstanding or a mix-up in the terminology. My search results returned information regarding (a technical issue) and T-post extraction (a farming/fence-related activity), but nothing directly connecting a "TTver2.part1.rar" file with a "deep post". TTver2.part1.rar
If you are dealing with a "deep post" (as in, a T-post in the ground), are you trying to remove it? If you are dealing with a computer file,
You can use a T-post puller (a lever-style tool) or a post driver to remove deeply set T-posts. a T-post in the ground)