sef 

SEF File Extension

Have a problem opening a .SEF file? We collect information about file formats and can explain what SEF files are. Additionally we recommend software suitable for opening or converting such files.

What is the .SEF file type?

NGS.Document.

PLEditor.Document.



SizeExplorer data file.



Software to open or convert SEF files

You can open SEF files with the following programs: 

Popular Formats

Video Tutorials