How to Change The Default Application In macOS
In macOS each file type is opened automatically by a default application. This short blog post will explain how you can change the default application a file opens with.
The macOS Screenshot application saves screenshots using a predefined naming convention [Screenshot YYYY-MM-DD at HH.MM.SS]. This hack will show you how you can customise this with your own text.
Change The Default File Name In Mac OS Terminal
Open Terminal: Finder > Applications > Utilities
In Terminal, type or paste the following whereby the name that a screenshot will be allocated is enclosed in the double quotes “”…
defaults write com.apple.screencapture name "Capture"
(return)
New screenshots will now adopt this new naming scheme. It will still include the date and time at the end to help distinguish between captures.
Revert Back to the Default File Name In Mac OS Terminal
Open Terminal: Finder > Applications > Utilities
In Terminal, type or paste the following…
defaults delete com.apple.screencapture name; killall SystemUIServer
(return)
Dates posted and updated.
Originally posted 27 April, 2025.
Other Posts
How To Rename Files In macOS
Whereas it is a standard feature to rename an individual file, since MacOS X Yosemite (10.10), it has also been possible to rename groups of files at the same time.
How To Switch Between Applications In macOS
When you have multiple applications open at once there are several ways you can switch between these applications efficiently.