Can only edit spreadsheets you create in the app. Can't open a file on your chromebook or any cloud storage site
XlsWork is a XLS and XLSX editor that allows online editing of spreadsheets
It supports various file formats including XLS, XLSX, ODS, CSV, and PDF
The main features include creating and editing spreadsheets, cell formatting, data management, function operations, object manipulation, co-editing, file information view, advanced settings, and search and replace functions