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The Simplest Ways to Open, Edit, and Convert XLSX Files

You don't necessarily need Microsoft Excel to work with an .xlsx file Reviewed by Ryan Perian This article explains what XLSX ...
Ars Technica

Excel taking minutes to load .xls and .xlsx files?

I'm hearing rumblings about some of our APAC users taking minutes at a time to load excel files over the network from the local file server. This seemed to start about 3 weeks ago, the troubleshooting ...