With the FBX SDK upgrade in Mixamo from 2014.x to 2019.1, the output FBX file format was also upgraded from 7.4 to 7.5.
Some users with older tools reported compatibility issues or the inability to import the new FBX files. As a remedy, we have added a compatibility option to enable exporting the previous FBX file version 7.4. This option is available in the download format pulldown menu.
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