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
If your phone or computer is getting cluttered with these "1_..." files, here is how to take control:
Have you ever scrolled through your "Downloads" folder only to find a file named something like 1_5026295231738282377.mp4 ? It looks like a glitch or a piece of encrypted data, but it’s actually a common byproduct of the digital age. Here’s a look into where these files come from and what you should do with them. Where Do These Files Come From? 1_5026295231738282377.mp4
On Android, these are often buried in Android/data/org.telegram.messenger/files/Telegram/Telegram Video .
Only open the file if you remember downloading it from a trusted Telegram channel or contact. If you're on a PC, you can right-click
Because the name is randomized, it’s impossible to tell what’s inside without opening it. These files are typically standard containers, which are universally compatible with almost all devices and media players. However, because they often originate from third-party chat apps:
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. Here’s a look into where these files come
Unlocking the Mystery of Files Like "1_5026295231738282377.mp4"