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File Formats

Use Apple Photos on iPhone, iPad, or Mac Open with Preview on Mac Use the Windows Photos app on Windows 10 or 11 Install the HEIF Image...

Use a text editor such as Notepad, Notepad++, VS Code, or Sublime Text Open the file directly from the editor’s File menu Use a web browser...

Identify which program created the .DAT file Open it with the original program if possible Try a text editor such as Notepad or TextEdit Try a hex...