A family of Microsoft relational database management systems designed for ease of use.
Oh, have we asked! It was even part of a UserVoice suggestion that MS marked as completed (but they didn't remotely do as requested)!
Sadly, MS will never give us back local help files. I can't explain their logic. So much for people without internet access, or low bandwidth, ... MS doesn't seem to give a crap about them! Sorry for being blunt, but this is where we are at today.
What are you choices? What many people do is actually keep the help files from a previous version and simply consult those since at its core, nothing has changed in years.
You can also download the VBA help files for various Office applications at https://github.com/OfficeDev/VBA-content/blob/master/README.md, Access' is https://github.com/OfficeDev/VBA-content/blob/master/VBA/Offline-Docs/ACVBACon.chm
For 2013, have you seen: http://www.devhut.net/2015/10/05/ms-office-switch-to-local-help/ ?