This filename appears to be an archive of project or transaction data spanning from June 8, 2021, to June 15, 2021.
: A compressed folder containing multiple files to save space and keep them together. File: DoubleP_210608-210615.zip ...
"Compressed archive containing [Project Name/Data Type] records for the period of June 8, 2021, through June 15, 2021." This filename appears to be an archive of
If you are looking for a description to accompany this file, you might use: to June 15
: This is likely a project code, company identifier, or software name (e.g., "Double Play" or a specific "PP" business entity).