Like when you send a .7z instead of a .zip or .rar to a friend or a teacher because that’s what your computer has installed and they’re like “Oh No, not one of those, now I have to install 7Zip” even though the same program that opens .rar also opens .7z I feel like people are way more annoyed when they receive a .7z
You can make zips using 7Zip. I use 7zip and send Zips to other people, but use 7z compression for my own files. Zip files are more ubiquitous and readily opened by most OS; certainly Windows opens them natively, and I assume MacOs does.
Of course it also depends what you’re sending. I wouldn’t send secure files in just a zip even with encryption due to zips flaws. I would use 7z eoth encryption as a minimum, and more secure methods depending on how valuable the data is.
The problem with zip is that Windows can’t open every zip file.
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No, Linux and Mac can open ZIP as easily as anything besides TGZ.
RAR is proprietary. Sending someone a RAR archive for compatibility reasons is like having sex with them for virginity reasons.