How to Open XLSX files on Windows, Mac and Linux Operating Systems?
"What's wrong with this Excel file? I cannot open it with my Microsoft Office 2003!" Watch carefully, is it an .xlsx file instead of common .xls file? If so, we need some special tools to help us open this kind of file and let's see what the XLSL file is and how to open it on different Operating Systems.
What is an XLSX file?
We are well - acquired with Microsoft Office series file formats, aren't we? Since the functions of it are quite useful and powerful for us to deal with different tasks, and each file format is easy to handle: Word(.doc), Excel(.xls) and PowerPoint(.ppt) are the most common file formats.
These common formats can be wildly accepted by any MS Office versions, while Microsoft Office 2007 brought a big surprise to us - the new file extension cannot be opened by historical versions! The XLSX files, actually, is created by MS Office 2007 and we can find different ways to open this format, even without installing MS Office 2007.
How to Open XLSX Files on Windows OS?
- Download and install Microsoft Office 2007, it is a direct and instant way to open XLSX files, and the limitation of trial is 60 days, which is quite long enough for us .
- If you do not want to install the big size tool (I mean Microsoft Office 2007), just download and install Microsoft Office 2007 Compatibility Pack to work with your MS Office previous versions.
- Download OxygenOffice Professional to open XLSX files - it is totally free for us to use!
- Certainly, we could also download Excel Viewer to easily open, view and edit XLSX files, especially there is no Excel installed in your PC.
How to Open XLSX files on Mac OS?
- As Microsoft Office 2007 is designed for Windows OS users, there is a counterpart program for Mac OS users: Microsoft Office 2008 for Mac, you can also have a 60 day trial period to use.
- As a Mac user, Apple iWork is the specific designed by Apple Co. for Mac users to use MS Office on Mac - iWork Numbers helps Mac users deal with XLSX files without difficulties.

- Panergy docXConverter is a good helper to convert XLSX files to XLS on Mac as well as on Windows OS, and it is also able to convert your DOCX files to DOC on Mac and Windows!
How to Open XLSX files on Linux OS?
- Linux users could also try OxygenOffice Professional to open XLSX files.
- Online conversion is always fast and convenient and there is one site oriented to convert assorted file formats: www.zamzar.com. Have a try!
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