iOS open app when file is tapped in `Files` app...

Document greyed out in document browser...

Content type/UTI to open CSV in app...

How to register a custom non-document UTI / file type for OSX to recognize it?...

How do I get a document UTI from a file path?...

Unable to select a PowerPoint (PPTX) document with UIDocumentPickerViewController...

Specifying app name for iCloud "Manage Storage" list...

How do I export text from iOS Notes app to my app?...

Exported UTI not being picked up by macOS...

Regex to validate Unique Transaction Identifier...

Creating custom UTI for use with airdrop, iOS...

Export UIDocument with custom file package UTI...

Why is UTTypeCreatePreferredIdentifierForTag returning strange UTI?...

Associate custom file extension to my app...

Why is my iOS app not showing up in other apps' "Open in" dialog?...

Why we use reversed url identifier on Xcode?...

A way to get all declared UTIs in Cocoa (Swift/Obj-C)... and/or, determining UTIs defined by App bun...

Can't Import .ppt Files Into My iOS App...

files saved as package (with filewrappers) and icloud drive, are they zipped when emailed?...

iOS and OSX Document Packages cross platform...

Cannot add icon to registered document type? Is this a bug?...

Can macosx register an UTI with a dot in the extension?...

Given a UTI (Uniform Type Identifier), find all types to which it conforms...

How to get around when another app incorrectly defines a UTI?...

Document Types vs. Exported and Imported UTIs...

Regex to validate Uniform Type Identifier...

Why is my iCloud Drive AppFolder visible on MacOS, but disabled in iCloud Drive App on iOS?...

associate file types with iOS application in swift...

Open attachment from mail using ios 8 app [swift]...

In cocoa, how do I save text with a particular UTI...