Courts generally accept emails as evidence if authenticity can be proven which is why it is critical for businesses to retain complete email chains and use official company accounts, not personal ones, for business matters.
WhatsApp chats are admissible if properly authenticated and courts may require the original device or forensic extraction to prove integrity.
Recordings of online meetings such as those on the Zoom platform are also admissible if they are proven to be genuine, unedited recordings and obtained legally (consent issues may arise).