Filenames starting with "VID" followed by a date are the standard naming convention for . VID: Video file. 20220528: Date the video was saved (May 28, 2022). WA0075: A unique sequence number assigned by the app.
Use VLC Media Player as it supports almost every video format. VID-20220528-WA0075mp4
Look in Google Photos or iCloud under the "WhatsApp Video" folder for that specific date. Filenames starting with "VID" followed by a date