0
votes
1answer
105 views

In Mac OS X how to define the thumbnail for a specific file type?

I have many files with the file extension ".dat". I wish to assign a thumbnail to these files with this extension because the default one is of very low resolution and is disturbing when working. I ...
4
votes
1answer
3k views

How to change which frame is grabbed for the finder icon of a movie file for Mac OS X Finder?

Movie files show in Mac OS X Finder with an example frame from the movie. Unfortunately, it's captured from fairly early in the movie, so that different episodes of a series, or perhaps different ...
0
votes
1answer
299 views

Mac Finder thumbnails on portable drives lost

It's a small but annoying glitch I'm experiencing. A recent convert from Win so there may be some Finder preference I'm not aware of? Issue: I plug my portable drive (500GB formatted as FAT32). ...