.ATTR

ATTR File

Apple iPhoto image attributes
Ask a question
QUICK ANSWER

A .ATTR file is associated with Apple iPhoto image attributes, a data file.

Developer: Apple Category: Data Files
OPENS ON Mac OS
Related: .PKPASS · .DAT · .JSON · .RIS

On this page

19k+ extensions indexed
Last reviewed

Not sure what your file is?

Drop any file into our identifier - we read just the first bytes to name the format.

Identify a file

What is the ATTR file format?

A file with the .ATTR extension is a file known as Apple iPhoto image attributes. It belongs to the Data Files category. This format is associated with Apple.

The reliable way to open a .ATTR file is with software that recognises this exact format, rather than guessing from the file name. If you are not sure what created a file, our file identifier can read its first bytes and name the real format, even when the file has been renamed.

This page lists 1 programs that open .ATTR files. A fully verified, hand-written description of this format is being prepared; until then, the details on this page are drawn directly from our database.

Format details

in a nutshell
FULL NAMEApple iPhoto image attributes
DEVELOPERApple
CATEGORYData Files

Programs that open ATTR files

Mac OS1 app

Community Q&A

asked by users
Ask a quick question
Get help from people who work with ATTR files. Be specific - include your system and software version.
No account needed · answers usually within a day

No questions yet - be the first to ask about ATTR files.

Keep exploring

across the database

Top extensions this week

1.AQQAQQ Instant Messenger File
2.CRDOWNLOADChrome Partial Download File
3.PARTPartial Download File
4.EXEWindows Executable (Portable Executable)
5.M4AMPEG-4 Audio File
6.MDMarkdown Document
7.JPGJPEG Image
8.BINCD/DVD Disc Image (BIN/CUE)
9.DATProgram Data File (generic)
10.JSONJavaScript Object Notation file

Related extensions

.PKPASSApple Wallet Pass (formerly Passbook)
.DATProgram Data File (generic)
.JSONJavaScript Object Notation file
.RISResearch Information Systems citation file
.OFXOpen Financial Exchange
.CSVComma-Separated Values

Free file tools

An in-browser file identifier and image converter - everything runs on your device.

Open the toolbox

Browse file extensions A-Z