There are quite a few 3rd party apps that can open PSD format files. I'd be more concerned about other SaaS companies. For example: using Google's GSuite for

There are quite a few 3rd party apps that can open PSD format files. I'd be more concerned about other SaaS companies. For example: using Google's GSuite for e-mail and all document storage. Or imagine using Okta / Onelogin for company-wide user management and having all your user accounts disappear. Or a VOIP provider and having none if your phones work.