pedro22 wrote:I am seeking a way to merge these two files into one file without unpacking and repacking as a single file.
You could pack the RAR parts again with no compression. This would create an archive inside an archive, but it's quite fast to decompress. You might be able to do some kind of conversion into a single archive in WinRAR itself, but I'm not sure. It it doesn't offer such feature, you need to do exactly this: repack everything.
And I think that this option is precisely this.
No, this is not how it works. Split archives contain a header in each file. In this case you can see this by viewing the parts in TC Lister where you'll see "Rar!" at the beginning of each part file.
Split files on the other hand MUST NOT contain any header or any other additional data - they're just cut in parts, i.e. the next part begins where the previous left off.
Regards
Dalai