How can I encrypt USB drive so that it would subsequently be readable/writable on any computer that I plug it in? For instance, it should then be possible to easily plug the encrypted USB drive on a Windows or Mac computer, and be able to access the contents without any fuss.
As for the solution to encrypt a USB drive on a cross-platform, I guess a third-party utility is the optimal option, which supports sorts of operating systems. If you plan to encrypt a USB drive on macOS and Windows, iBoysoft BitLocker for Mac is suggested here, which allows you to encrypt USB drive on a Mac without a hitch as your Windows PC supports BitLocker drive encryption.
Take care~
How to encrypt and password protect a USB drive for both Mac and Windows 11/10? This guide explains the details and introduces the best USB drive encryption software.
Here's step-by-step tutorial about how to encrypt, password protect external hard drive for both Mac and Windows PC usage.
Como criptografar e proteger com senha um disco USB para ambos Mac e Windows 11/10? Este guia explica os detalhes e apresenta o melhor software de criptografia de discos USB.
