Most Apple users don't know that the Mac keeps a record of every file that you've ever downloaded. Here's how to view the record, delete it, and disable the feature entirely. Note: files downloaded when using Google Chrome's Incognito Mode are not added to this list.
Navigate to Applications > Utilities > Terminal.
Paste the below command into Terminal and press Enter.
Zachsqlite3 ~/Library/Preferences/com.apple.LaunchServices.QuarantineEventsV* 'select LSQuarantineDataURLString from LSQuarantineEvent' > ~/Downloads/downloadhistory.txtThis places a text file called downloadhistory.txt in your Downloads folder. Open it to view its contents.
Paste the below command into Terminal and press Enter.
sqlite3 ~/Library/Preferences/com.apple.LaunchServices.QuarantineEventsV* 'delete from LSQuarantineEvent'To prevent your Mac from tracking your downloads in the future, paste the below command into Terminal and press Enter.
defaults write com.apple.LaunchServices LSQuarantine -bool NO
When you take a photograph on your iPhone, oftentimes they will be saved as a .heic file.