The File Extensions Database

.ATTR File Extension

  • Developer by: Apple
  • Category: Data Files

What is an .ATTR file?

.ATTR is iPhoto Attributes File

File created by Apple iPhoto, an image editor and organizer program; contains an image's data; created to accompany an image whose attributes have been edited.

Files are located in the subfolders of the iPhoto program.

NOTE: Used by iPhoto 2 and earlier installments, not used by iPhoto 4 and later. iPhoto was discontinued and replaced by Photos in 2015.

Programs that open iPhoto Attributes File
Apple iPhoto 9.6

How to solve problems with ATTR files

  • Associate the ATTR file extension with the correct application. On :
    Windows: Right click on any ATTR file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.ATTR files". Mac: Right click (or Ctrl-click) the ATTR file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .ATTR is iPhoto Attributes File. Because only the current version supports the latest ATTR file format. Search, therefore, e.g. on the Apple manufacturer website after an available .ATTR is iPhoto Attributes File update.
  • To make sure that your ATTR file is not corrupted or virus-infected, get the file again and scan it with antivirus software.