Keep unwanted guests out of your meetings with these quick profile settings changes:
1. Disable "Join before host"
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2. Disable "File transfer"
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2. Set screensharing to "Host only":
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3. Disable "Allow removed participants to rejoin"
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4. Enable the "waiting room" for vetting known users
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5. As a final precaution you may want to allow only authenticated users to enter your meetings. However, you would need to make sure all participants have logged into Zoom first.
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