How to Convert XLSX to XLS to open in Excel 2003

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Ngày cập nhật gần nhất: 15/11/2025

Sometimes you may download or receive XLSX files but cannot open them because your computer only uses Excel 2003. In such cases, convert XLSX to XLS to open the file on your computer.

For those still loyal to Excel 2003, Mytour recommends installing Excel 2016 for use. Excel 2016 has integrated many advanced features, providing the best support for spreadsheet work and statistics. However, if your computer configuration is too weak to use Excel 2016, you may have to accept converting XLSX to XLS. This is the best way for users to read XLSX files from newer Excel versions.

How to Convert XLSX to XLS

Step 1: Visit THIS LINK to convert XLSX file to XLS format.

Click on Browse to select the XLSX file for conversion.

Step 2: Choose the XLSX file on your computer, then click Open.

Step 3: Select .XLS under Output Format section.

Step 4: Finally, press Convert to change the XLSX file to XLS format.

Step 5: After successful conversion, select Click here to access the download page.

Step 6: The download link for the converted XLS file will appear; simply click the link to download.

You can open it directly in Excel 2003 or verify the file extension by right-clicking on the XLS file and selecting Properties.

The tips provided here are extremely beneficial for users still utilizing Excel 2003 or older versions.

Excel offers a plethora of basic functions that users need to invest time in understanding and mastering. You can also refer to basic Excel functions to gauge your familiarity with them.

For newcomers to Excel, wanting to add or remove rows and columns requires a few maneuvers. This feature of adding rows in Excel is something every user should be acquainted with. Adding or removing rows and columns also facilitates easier table creation for users.

Furthermore, Excel users should learn how to calculate the average value of 2 columns in Excel. This trick aids in saving a considerable amount of calculation time, yielding the most accurate answers. Learn how to calculate the average value of 2 columns in Excel to acquaint yourself with this office tool. Moreover, Mytour also provides numerous useful tips for Excel, Word, or PowerPoint users.

Frequently Asked Questions

How can I open an XLSX file in Excel 2003?

To open an XLSX file in Excel 2003, you need to convert it to the XLS format. This can be done using an online converter, which allows you to select and convert the file to XLS before opening it in Excel 2003.

Why should I consider installing Excel 2016 for better performance?

Installing Excel 2016 provides access to many advanced features that enhance spreadsheet work, statistics, and data management, improving the overall performance of Excel. It is especially helpful for users dealing with newer file formats like XLSX.

What are the steps to convert an XLSX file to XLS?

To convert an XLSX file to XLS, visit the converter link, browse and select the file, choose .XLS under Output Format, and press Convert. Once completed, download the converted file to open it in Excel 2003.

Can I convert XLSX files to XLS without Excel 2016?

Yes, you can convert XLSX files to XLS without using Excel 2016. By using an online converter, you can easily change the file format to XLS and open it in Excel 2003 or older versions.

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