ET files are spreadsheets, created with Kingsoft Spreadsheets. It is part of the WPS Office suite.
ODS is a spreadsheet file extension that is based on open source XML. Although it is primarily associated with Open Office and Star Office, it is a universal spreadsheet format that can be used in both Open source spreadsheets and Microsoft Excel. The spreadsheet can contain data on columns and rows.
+200 Formats Supported
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