Can it prevent attach specific file through email?

for example ,

we are using chrome broswer. can we make it to stop attaching pdf or jpg file through email?


No. Cryptomator is designed to encrypt files you want to sync with your online storage. It does not interact in any way with your browser or your email client.

Here you find the manual: Cryptomator - Put a Lock on Your Cloud — Cryptomator 1.6.0 documentation