STC (OpenOffice.org Spreadsheet Template): STC is a file format associated with OpenOffice.org, a free and open-source office suite. STC files are spreadsheet templates created with OpenOffice.org Calc, the suite’s spreadsheet application. These templates can be used as starting points for creating new spreadsheet documents.

How to Open an STC File:

1. OpenOffice / LibreOffice:

2. Microsoft Excel:

3. Other Spreadsheet Software:

Programs that Open STC Files:

Various Applications that Use STC Extension: