I’ve been looking up excel libraries to deal with reading and writing excel files, and besides the Interop namespace, the most popular library for excel files seems to be EPPlus. I ended up using EPPlus for another project and found it relatively easy to use, so I wanted to incorporate it in a revamp of a previous project. However, I’ve learned that EPPlus does not interact with .xls files and my workplace still gets a volume of .xls files alongside .xlsx/.xlsm files.
One idea I was playing with was incorporating the Interop namespace AND EPPlus and choosing one based on the file extension, extract what I need, and then ride EPPlus all the way to the spreadsheet output. But I didn’t think it would hurt to ask if there are any recommended well documented “catch all” libraries that cover the ’03 to ’10+ excel spectrum? Spending money on a library isn’t an option for me.
submitted by /u/jmarkman446
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