For large files, you can set the compression method to "Best". Important Tips for HD.rar Archives
If you get an error during extraction, it is usually because one of the parts is missing or corrupt. hd.rar
If you have a multi-part archive (e.g., file.part1.rar , file.part2.rar ), you only need to right-click and extract the file ( .part1.rar or just .rar ). How to Create (Compress) a .rar File Right-click the files or folder you want to compress. Select "Add to archive..." (WinRAR). Choose RAR as the archive format. For large files, you can set the compression
Is it a or are there multiple parts (part1, part2, etc.)? I can provide the exact steps to fix it. How to Archive VIDEOS (WinRAR) | Full Guide For large files