Img_1790.mov -

: Use the pre-installed Photos app or Windows Media Player . If the video doesn't play (common with newer "High Efficiency" HEVC formats), you may need the HEVC Video Extensions from the Microsoft Store.

: This usually means your computer is older and doesn't recognize the HEVC format used by newer iPhones. Use VLC Player to bypass this. IMG_1790.MOV

Knowing the context will help me give you more specific steps. : Use the pre-installed Photos app or Windows Media Player

: Created by Apple's Camera app. The number "1790" just means it was the 1,790th image/video saved in that specific folder or sequence. 3. Converting to MP4 Use VLC Player to bypass this

: Simply open your Photos or Files app. This is the native format for iOS and macOS.

If you're having trouble sharing the file or uploading it to certain websites, converting it to .MP4 is the best fix: