If the "NRjoAYjH" suffix was added by an app, look through your chat history from late December 2022.
As an .mp4 file, it should play on almost any modern device using VLC Media Player, QuickTime, or Windows Media Player. VID_20221223_194103_236-NRjoAYjH.mp4
If you found this filename in a list and don't know what it is, try these steps: If the "NRjoAYjH" suffix was added by an