.PAGES-TEF File Extension
File TypePages iCloud Document
This file is saved in a binary format, which requires a specific program to read its contents.
What is a PAGES-TEF file?
Text document created by Pages, the word processor included with Apple's iWork suite; used as the save format when a user chooses to save the document to iCloud; differs from the standard .PAGES extension, but doesn't affect the contents of the document when reopened in Pages.