An older alternative for opening .rpf archives, though OpenIV is generally preferred for modern GTA 5 modding. Steps for Safely Editing X64u.rpf Install OpenIV. Enable "Edit Mode" in the top menu.
: Specifically, x64u.rpf often houses various vehicle textures and DLC-related data. The Location : You can find it at the bottom of your GTA V Main Directory Why You Might Need to Edit It Most players only touch this file when they are X64u.rpf
to your main GTA V game folder.