How to prevent gradual degradation of video files?

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BonBon Slick2020-01-09 07:14:37

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BonBon Slick, 2020-01-09 07:14:37

Why files get poor quality over time and how to prevent it?
Over time, years, no matter where the file is stored, its visual quality deteriorates.
An elementary example, any video from the 2000s from youtube.
10 Oldest Videos on YouTube
Or does it all seem to me and posting a video, a photo to the network, will its quality be 100% until the end of the servers?

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@nidalee, 2020-01-09
@BonBonSlick

Theoretically, YouTube could additionally compress the video into something more modern in 201X. But in practice, I doubt that he did it.
Therefore, you most likely think: "the grass is greener", that's all.