It really isn't. It's entirely dependent on usage. Nine months in and my total usage is currently 24Gb. YMMV, etc. (For use with Windows bootcamp, I'd probably go for the 256Gb SSD; but it depends.)Not recommended. Better safe than sorry. 128 is already tight for MacOS only (plus few personal files).
Hi! I want to buy the new MacBook Air 2019, but can't decide on storage. Will 128 GB be enough if I use bootcamp for Windows 10 (mainly for using MS office stuff)? Also, can I use bootcamp on an external SSD?
How feasible is it to run windows off of a USB C flash drive