The Mad Doctor’s Lab – App File Dissection

In this video, I take a look at what’s inside the app files we creating when compiling extensions for Business Central.

Here are the fields hidden in the 40 byte header:

• NAVX (4 bytes)
• Size (4 bytes Int)
• Version (4 bytes Int)
• Package Guid (16 bytes)
• Zip size (64bit. 8 bytes)
• NAVX (4 bytes)

And the 8 extra bytes in a runtime app:

• (Runtime) .NEA (4 bytes)
• (Runtime) 0 (bytes)