Sonys menu settings can be daunting for a new user. One thing I have set up is a index of all the settings and where you can find them in the menus.
Sony A7RIII Settings Sorted Alphabetically – you can download them from here:
Mac Pages Format: Sony A7RIII Alphabetical Settings Rev 1
Version 2 of the above – work in progress: Sony A7RIII Alphabetical Settings Rev 2
PDF Format: Sony A7RIII Alphabetical Settings Rev 1
Excel Format: Sony A7RIII Alphabetical Settings Rev 1
Here for the record is my starting point – I will periodically update the chart.
PDF of recommended A7RIII settings from Mark Galer. 3.01 Firmware: Sony A7RIII Camera Settings
If you have any comments please let me know by emailing me.