If your phone or computer is getting cluttered with these "1_..." files, here is how to take control:
Most of the time, these long, numerical filenames are generated by . When you download a video from a channel or group, the app often renames the file using a unique ID rather than the original descriptive name provided by the uploader. Are They Safe? 1_5026295231738282377.mp4
To avoid the "mystery file" headache in the future, go to your Telegram settings ( Settings > Advanced ) and enable "Ask download path for each file." This lets you rename the file immediately as you save it. If your phone or computer is getting cluttered
If you're on a PC, you can right-click the file to view properties and see if there are any timestamps or metadata that help you identify its origin. How to Find and Organize Them To avoid the "mystery file" headache in the