I have recently noticed that my 8-year-old MacBook is slow when loading webpages, and I started going through my files to get rid of old stuff. After a while, I came across a file called "discord.dmg". I think this was the file used to install Discord on my computer, but now I am wondering if I can delete the .dmg without getting rid of the application.
MacBook – delete the .dmg files on the Mac once I install the app
dmginstallmacmacbook pro
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Best Answer
Yes.
You can safely delete .dmg files.
A disk image file (.dmg) is simply an easy, portable structure to transfer an app to you without falling afoul of any internet 'oddities' such as compression, splitting etc. So long as the .dmg arrives intact [& it is self-checking in this regard] then you can be sure it arrived "as sent" & can copy it to your Applications folder. Once you have done that, the .dmg itself is no longer required & can just be deleted.
The only two reasons to keep them would be for: