📄`.`❓

#file extension #dot extension #filename extension #file type identifier #unknown file type #file association

📄.`???

#file extension #dot extension #file format specifier #file name extension #file kind #unknown file type

💻+🖱️+💾❓

#filename #specific data #unknown file type #gar file #digital download #randolphotop system

📁📄🖼️🎶❓

#random files #digital content #mixed media #data variety #unknown file type #miscellaneous documents

🧠📸❓

#brain tumor scan #medical photo #unknown file type #oz3 data #tk identifier #neurological imaging #tumorphoto