I use Emacs (version 28.1 on Windows 11-64bits) with AUCTeX to work with my LaTeX documents. The directory of files on which I'm working is synchronized in real time with a Dropbox cloud. This means ...
I have specified both backup directory and auto-save directory.
;; set auto-save intervals
(setq auto-save-interval 25)
(setq auto-save-include-big-deletions t)
; auto save path
(defvar autosave-dir (...