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Question: Can i delete the InstallESD.dmg file?

I was cleaning out my Macbook air and I came across a file called InstallESD.dmg and it is taking up 4.4GB. Is it safe to delete?

MacBook Air, macOS Sierra (10.12.5)

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Dec 17, 2017 4:10 PM in response to jack.cantwell In response to jack.cantwell

Judging by the size, it could be an entire Mac OS installer, possibly an older one since the newer versions are all well above 5 GB. You might have downloaded it at some point, but not installed it? FWIW, is it in your Applications folder?

Dec 17, 2017 4:10 PM

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Dec 17, 2017 6:25 PM in response to jack.cantwell In response to jack.cantwell

It's not something on my Mac and I know it is part of an OS installer. It may be a leftover from a previous installation.

I doubt it is needed, but for clarity, can you please give us the full path to the file.

Dec 17, 2017 6:25 PM

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Question: Can i delete the InstallESD.dmg file?