can no longer play qt movs that were rendered in AE 6.5

Question

a lot of my old QT movs that i generated in AE have

mcdb after the .mov extension.

None of these movs can be played on my newer computer

with newer quicktime.

Can anyone explain what mcdb means?

Is there any way to salvage these old movs?

Thanks!

Vinay Dwivedi · Accepted Answer

The files do have the mov extension - but Followed By the .mcdb extension. (like Old.mov.mcdb

So those were never playable? But the icons were mysteriously duplicated from real movs, and the mcdb extension was added?

If that is the case, I'll have to hunt around. Maybe the actual files no longer exist.

They're taken from an external hard drive.

MCDB file is a Media Cache Database. MCDB file records the location of cache files and related media files

imeilfx · Answer

Ok so:a) mcdb files are not a mov files - mcdb files are PPro cache files or to be more specific a links to source footage that PPro use for not caching multiple times the same source file. b) so to find out if you can play your old mov files you have find your mov files not mcdb filesc) Dave is right - Adobe is removing/removed obsolete QT support Dropped support for QuickTime 7 era formats and codecs If you are sure that you have mov files (not mcdb) and you can't play them in newest AE you can:- use previous AE version- convert your old files (with AME or any other converter) to some other more modern codec that is compatible with AE

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