The file extension .003 (specifically part of a HAY.7z.001 , HAY.7z.002 , HAY.7z.003 sequence) indicates that you have the third part of a .
To access the "good content" inside, you cannot open this file by itself. You must follow these steps: 1. Gather All Parts HAY.7z.003
: You can use built-in tools like Archive Utility or third-party apps like The Unarchiver . The file extension
in the sequence (the one ending in .001 ). Right-click HAY.7z.001 . Select 7-Zip > Extract Here (or your app's equivalent). HAY.7z.003