View XLS, XLSX, ODS and CSV spreadsheets without installing MS Office, using this straightforward application for all user levels

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Bytescout XLS Viewer helps you open spreadsheet files to easily view content without having to resort to Microsoft Excel or other tools from comprehensive Office suites. It offers support for XLS (Excel 97-2003), XLSX (Excel 2007-2013), ODS (OpenOffice Calc) and CSV format.

Open and view spreadsheets

The installation procedure doesn’t take long and the only notable aspect about it is that you can associate Bytescout XLS Viewer with any of the supported file types. On top of that, it requires the .NET Framework. On setup completion, you are welcomed by a plain and simple interface that doesn’t put any emphasis on appearance, yet it’s easy to navigate.

After opening a file, you can check out each sheet as well as data in each row and column. It’s possible to edit information, copy and paste cells, print the file, as well as to save the spreadsheet as an HTML webpage. There are no other notable options provided by this app. The drag-and-drop method is not supported for opening files.

Evaluation results

The tool loaded spreadsheet files swiftly in our tests. As we expected, it didn’t put a strain on the overall performance of the machine, thanks to the fact that it needed low CPU and RAM to work properly.

On the other hand, it displayed errors on multiple occasions when we attempted to open files. Too bad that Bytescout XLS Viewer hasn’t been updated for a long time, and this can be clearly noticed by taking one look at its interface.


Although it doesn’t come equipped with richer options and customization preferences, Bytescout XLS Viewer offers a simple and straightforward solution for opening and viewing spreadsheet files with popular file types without using more complicated tools. Plus, it can be handled by anyone with ease, even users with little or no experience in spreadsheet tools.

We at AppsForMyPC have tested and used Bytescout XLS Viewer and it worked pretty smoothly 🙂 🙂