After I started a campaign, I manually saved the game several times. Autosave was also performed several times during the long game.
I quit ARMA 3 properly and restarted it at a later time. After the restart, the game was neither updated nor were expansions or mods installed.
In the main menu, I now select single player => campaign => select the same campaign again in the list, but can only select "rewind" or "replay" - whereby rewinding is out of the question for me.
"Restart", on the other hand, loads a saved game from 4 hours ago.
I really hope that restoring my saved games is due to ARMA 3's lack of user-friendliness, or have the last 4 hours of gameplay actually been deleted?
Thanks in advance for any feedback.