Zoom can force participants to provide details (like name, email, phone number, etc.) before they can join,

Yes — Zoom can force participants to provide details (like name, email, phone number, etc.) before they can join, but this only works if you require registration for the event. Here's how it works depending on what you’re running:

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📌 1. Zoom Meetings (Scheduled Meeting)

Zoom allows you to require registration for meetings (not just webinars). When you enable this:

✅ Participants must complete a registration form before joining
✅ You can ask custom questions in the form (e.g., mobile number, other details)
✅ You get a list of all registrants with their responses
❗ But they do not sign in via a separate login page — they just register with the form before joining.

How to enable it:

1. Sign in to the Zoom web portal (not the app).

2. Schedule a meeting (or edit an existing one).

3. Scroll to Registration → Required and check it.

4. After saving, go to the Registration tab → Edit.

5. In the Questions / Custom Questions sections, add your required fields (Name, Email are default; you can add Phone, Company, etc.).

6. Mark fields as Required so they must be filled.

Registration tab 

Click on edit 

Question 

This means attendees must fill out the form to get the join link.
Their join link will be emailed to them after registration, preventing anonymous join attempts.

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📌 2. Zoom Webinars (Even Better for This Use-Case)

If your account has the Zoom Webinars add-on, you get full registration pages with lots of customization:

✅ Mandatory form before join
✅ Custom questions (multiple types: short answer, multiple choice, etc.)
✅ Manual or automatic approval of registrants
✅ Option to require participants to authenticate with the registered email when joining

This is usually the best option if you want full control over attendee data collection.

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📝 Important Notes

➡️ Built-in Zoom meeting chat alone cannot force participants to fill details — the registration feature is what collects information.
➡️ Zoom does not have a native login form before join besides the registration form itself.
➡️ If you want even richer data collection or a proper “login form,” you might need an external registration page that then sends approved registrants the Zoom link.

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🧾 Summary

Feature	Meeting w/ Registration	Webinar Registration
Collect Name/Email	✅	✅
Collect Mobile Number	✅ (custom question)	✅ (custom question)
Custom Required Fields	✅	✅
Require authentication with registered email	Optional/limited	Yes (more settings)
Pre-join login form	Only registration	Only registration