No. .dmg and .pkg are legitimate macOS installer formats. .rdr is not an installer — it’s a data file used by specific applications.
To ensure that you're handling RDR files safely and efficiently, follow these best practices: mac os rdr file download
No. RDR files are not video or audio files. If you rename .rdr to .mp4 , it will not play. mac os rdr file download
I headed back to the software's site. Deep in the "Support" tab, I found the missing link: a specific for macOS. It wasn't a standard download you'd find on the App Store. mac os rdr file download
