Video: Trimming a video makes the file huge

Apr 23, 2015

I am hoping you can help.  I have very large video 40MB.  The video is in MP4 format.  When I can insert the video into Storyline 2 with no issues.  The original file size is about 50MB. However, I was asked to trim the first 8 seconds of the video off.  When I do this and then save the file, the file size exploded to 108MB. 

Why is this happening and how can I fix it?

3 Replies
Ashley Terwilliger-Pollard

Hi Elisa,

Thanks for reaching out here. This is something we've reported to our QA team recently and they're currently investigating the issue. I don't have an update at this time, but I'll include this thread in the report filed with our QA team for additional information and so that I can keep you posted here once there is additional information to share. 

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