The Finder in macOS is the hub through which we interact with files , folders , and volumes , and while you may have tweaked its appearing with a ground image , adjusted ikon size in windows , opinion , and more , it ’s comfortable to overlook deportment in the Finder that feels engrained but which can be changed with a unsubdivided checkbox .

InFinder > Preferences > Advanced , Apple drops several alternative that admit automated actions , warnings , hunting , and video display . Some of these date back many years . But others have quiet been added . brush up these setting to see if you could sand down some rubbing in your Finder experience .

The Finder ’s Advanced taste let you pull off Finder - wide options that may mildly scotch you .

macOS Big Sur Finder Advanced preferences

Apple

Show all filename extensionsandShow warning before changing an extension

These options have appeared evermore and a day , and touch on the ever less - significant visible denotation of what follows a period at the end of a file cabinet name , and thus in part determines which app opens a file cabinet . you could pick out ( the nonremittal ) to never see lengthiness ; but if you see them , you may want to forbid changing them , which can make a file cabinet hard to access or which open it in the wrong app .

Show warning before removing from iCloud DriveandShow warning before emptying the Trash

Another circle of paired warnings , the iCloud Drive selection come with that cloud - ground sync - and - storage scheme . You may want to keep both check , despite the annoyance , because the word of advice can help you if you unwittingly collide with the Empty Trash keystroke ( Command - slip - Delete ) .

Remove items from the Trash after 30 days

The one second of automation in these preferences . you could treat your Trash as a hold area , much the way the Photos app holds deleted images in a special album for about a calendar month . You send an token to the Trash with Command - Delete , and if you did n’t want it in 30 days , perhaps you never needed it at all ?

Keep folders on top

Some folks prefer brochure and files preserve singly , though this has always been more of a Windows thing . Nonetheless , it ’s an option .

Spotlight look in macOS has a “ ambit , ” which mean the arena of files being searched . The option labeled This Mac research the entire solidification of mounted loudness , while the current booklet and Recents also appear as alternative .

If you always want to have a search default to scoping the booklet you ’re view in a Finder window , you could make that selection . Or , as is generally more utilitarian , apply the late Search Scope always contribute up your last choice until you switch the scope again .

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