If you are looking for ways to better organize or manage such files on your devices, you can utilize built-in system tools:

In most document or file management software, you can use Ctrl+A to select all items at once.

This file is formatted as an (Matroska) container, designed for playback on most modern media players. The "helpful text" within the filename indicates the following technical specifications: Resolution: 480px (Standard Definition). Encoding: x264 (H.264 video compression).

If you frequently type long file names like this, you can set up Text Replacement in your phone's settings (e.g., Apple Support ) to automatically expand a short code (like "lock5") into the full file name. Select text - Microsoft Support

Use the keyboard shortcut Ctrl+F (Windows) or Command+F (Mac) to quickly locate specific files or text within a folder.