Use this if you are uploading the file to a repository or shared drive.
Use this if you are emailing or messaging the file to someone. oss1.part1.rar
Multi-part RAR files won't open correctly unless every single part is in the same folder. If you need help with how to extract these files or if "OSS" refers to a specific "Open Source Software" project you're working on, let me know! Use this if you are uploading the file