Sign in to Netflix on a web browser
Go to your profile
Open Account
Under Profile & Parental Controls, select your profile
Open Viewing activity
Scroll through the full watch history list
Use Show More to load additional entries
Download your Netflix data from Account if you need a complete export
Request your account data from Netflix if viewing activity is not enough
Check other profiles separately if you want their watch history
Use the Netflix app only to browse, not to access the full viewing activity page