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Why the XLS format needs to disappear from your hard drive forever

Upgrade to XLSX for smaller file sizes, enhanced security, modern collaboration features, and to prevent accidental data loss.
GitHub

Excel spreadsheet (XLSX) format parser written in pure Swift

CoreXLSX is a library focused on representing the low-level structure of the XML-based XLSX spreadsheet format. It allows you to open a spreadsheet archive with .xlsx extension and map its internal ...
GitHub

LargeXlsx - A .net library to write large XLSX files

This is a minimalistic yet feature-rich library, written in C# targeting .NET Standard 2.0 and .NET Core 3.1 or later, providing simple primitives to write Excel files in XLSX format in a streamed ...
NPR

The Format return with 'Boycott Heaven,' their first album in 20 years

Boycott Heaven, The Format's first studio album in nearly 20 years, arrives today. For a while, the indie rock outfit's Sam Means and Nate Ruess thought they might be cursed as a band. "Anytime we get ...