An AWS file is a spreadsheet file created with the Ability Spreadsheet software that comes with Ability Office suite. It stores data in rows and columns similar to Microsoft Excel. AWS files data can be saved to XLS and XLSX. This makes Ability Spreadsheet file compatible with Microsoft Excel. Data in spreadsheets can be exported to PDF and XPS file formats.
AWS File Format - More Information
AWS files are stored to disc as binary files. However, its file format specifications are not available publicly for developer’s reference.