2020-12-25 [2021-04-02_14-10-23].7z -

This indicates the archive was generated on April 2, 2021, at 2:10:23 PM . This format is common in automated forensic exports or backup software to prevent overwriting files.

Automated scripts that pull data for a specific reporting period (Christmas 2020) but are executed months later (April 2021). How to Proceed 2020-12-25 [2021-04-02_14-10-23].7z

Use 7-Zip to "Test" the archive before extraction to ensure no data corruption occurred during transfer. This indicates the archive was generated on April

Once extracted, look for a readme.txt or .log file, which typically contains the "proper write-up" or manifest of what the data represents. Do you have the password for this archive, or 2020-12-25 [2021-04-02_14-10-23].7z

Modern NVRs (Network Video Recorders) often name exports by the "Date of Footage" followed by the "Date of Export."