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Currently pictures/ videos taken with iOS11 on iPhone 7 or higher are saved in HEIC/ HEVC format and are not converted to JPEG/ H.264 format automatically when pictures / videos they are sent via Collaboration app.
Pictures The issue is that pictures/ videos received in HEIC/ HEVC format cannot be opened then on MacOS Sierra or less/ on Windows. They can be are opened only on MacOS High Sierra.
To resolve the issue:
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