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.
On Android, these are often buried in Android/data/org.telegram.messenger/files/Telegram/Telegram Video . 1_5026295231738282377.mp4
If your phone or computer is getting cluttered with these "1_..." files, here is how to take control: To avoid the "mystery file" headache in the
On mobile, using the "Save to Gallery" or "Save to Downloads" option sometimes helps preserve a more readable format or keeps the media where your photo app can find it easily. The Bottom Line 1_5026295231738282377.mp4