: The long number after the underscore in a SnapTik filename is the TikTok Video ID.

If you are trying to recover the original link or description for a SnapTik file:

: You can usually find the original page by pasting ://tiktok.com followed by that ID into your browser.

The filename indicates a video originally from TikTok that was downloaded using SnapTik, a third-party tool for removing TikTok watermarks.