I don't. In the past I have just used an XML and a zip library like this article explains https://www.codeguru.com/csharp/csharp/cs_data/xml/article.php/c16311/

I don't. In the past I have just used an XML and a zip library like this article explains https://www.codeguru.com/csharp/csharp/cs_data/xml/article.php/c16311/How-to-Read-and-Write-ODFODS-Files-OpenDocument-Spreadsheets.htm https://www.codeguru.com/csharp/csharp/cs_data/xml/article.p...