Lotus spreadsheets, SPSS portable files, and delimited files. You can open data files from your operating system's directories or folders and bring them into the data table by selecting File Open ...

On the other hand, if you want to open the source file (spreadsheet), you can click on the same three-dotted icon and select the Open source option. In case you do not want to go through all these ...

TreeSheets is described as a hierarchical spreadsheet, which is intended as a replacement for several distinct tools; think spreadsheets, mindmaps and text editors and similar. In [Wouter]’s ...