The situation seems to be common. It was necessary to prepare an MP4 video file of the presentation to be shown at a scientific ZOOM conference. Requirements: file must be no larger than 100MB, video resolution 1920x1080 pixels, good sound and image quality. ZOOM was used to prepare the video. It was not possible to record the entire video from one time, it turned out two MP4 files with sizes of 11 and 23 Mb, of good quality. To combine them into one file, several video editing programs were used, for example, MOVAVI. The result did not satisfy us. The output files turned out to be much larger than 100 Mb, and, moreover, of noticeably worse quality, not suitable for display at the conference.
If someone knows a way to stitche two Zoom video files into one without losing quality and without multiplying the size, please let me know.

Mobile Zoom clients - no problem at all with Android, but since moving over to iOS no end of issues.

Here's one. Pinch to zoom on my video feed.

I discovered I could pinch to zoom my feed on Android to focus in on a speaker (I'm host and broadcasting), and used it all the time. It doesn't work on iOS - two fingers in and out does nothing. Except that I by accident found that if I pull down the notification blind over the top of Zoom - cutting the meeting for a second apparently as recipient screens go blank - then I can pinch to Zoom on my view. That way I can focus in on a speaker's face without having to get up from my seat.

This looks very much like a bug. I don't even know if iOS Zoom is supposed to support pinch to zoom. I would like it to do so, but for now I've found a rather clunky workaround.

I lead bi-weekly writers workshops. I do not make money from this. Occasionally, I ask someone else to lead the workshop because I'm away or have another commitment. In the past, I was able to give my logon into to that person to start the meeting. Based on recent experience, it seems Zoom has tightened up this path and I won't be able to ask someone else to lead the meeting unless I open it. Is this true? I have already added another licensed use for someone who is leading another regular workshop. To add a third is out of my price range and seems absurd since I only need a substitute facilitator maybe four times a year. Can anybody clarify or confirm this situation for me?

Hello, there. I have been converted my short videos to a GIF and an MOV file. I tried to set them as my virtual background, but every time I do so, “Unable to upload. Format not supported,” shows up. I have also tried converted my videos to the MP4 format, but to no avail. I tried doing this on my MacBook, Windows PC, and even on my iPad—none of them worked for me. Please help.