If...
1. you have
Calibre installed on your computer, and
2. you have the
DeDRM plugin installed in Calibre, and
3. you purchase a title from Amazon and use "download and transfer via USB" to download the purchased title from Amazon.com to your PC and from there to your Kindle Paperwhite, and
4. you copy the .AZW3 file from your Kindle Paperwhite back to your computer and into your Calibre library, and
5. you convert the .AZW3 file into other formats (e.g. .EPUB, .MOBI, .PDF, etc.)
Is DRM and unique metadata removed from the .AZW3 file that you copied back to your computer and into Calibre?
Is DRM and unique metadata removed from the converted files (e.g. .EPUB, .MOBI, .PDF, etc.)?