You’re checking through old files. How can you tell which file type they are when you don’t recognise the extension, or they don’t even have that to help?
UTI
What’s a UUID, and a UTI? What can you learn from each, and where can you look them up? Important info about these, and a new release of a tool to help.
Icons are a fundamental part of a graphical interface, and convey valuable information. Although QuickLook thumbnails can enhance, they can also conflict unless carefully thought out.
Later this year, in macOS 10.15, one of the media types which will become unsupported is JPEG 2000 still images. Here’s how to find and convert your old images.
All about textClipping and pictClipping files: what they are, and how to access the data within them.
You try to open a document – in this case, one of Firefox’s bookmarks – and nothing happens. What could be wrong? It turns out it’s a bug, of course. But where?
An old bug in UTIs can cause problems for apps, and may even crash them. The issue is that macOS can’t always tell what type of object certain ‘files’ are.
Each now built with the latest version of Xcode, and notarized for your added security. Recommended for Mojave users in particular.
Last of 3 articles explains how macOS selects and starts the app with which to open a document which you double-clicked/tapped.
Second of 3 articles explains how macOS puts documents through its security checks before opening them.
