Please provide a legitimate download link and clear documentation for the .skacat format to end user confusion.
If LibreOffice cannot open it, the format is likely proprietary or corrupted.
: A great source for visual inspiration and links to artistic, non-standardized notebook cover designs. How to Create Your Own in Word If you prefer to make a custom one: Open Microsoft Word and set your margins to "Narrow."
You can find these templates in .doc or .docx formats on various educational resource portals: