The filename follows the standard naming convention used by Telegram for media files stored in its cache or downloaded from its servers. Context of the File
This specific numeric string is typical for files distributed through Telegram channels or chats. 5_6321168377595298097.mp4
Use VLC Media Player, which is highly compatible with various codecs and platforms including Windows, Mac, and Linux. The filename follows the standard naming convention used
Right-click the file and select Open with , then choose a media player like Windows Media Player or QuickTime . 5_6321168377595298097.mp4