Difference Between XLS and XLSX

The main difference between XLS and XLSX is that XLS files use a proprietary binary format whereas, XLSX use a newer file format known as Open XML. Another difference is that the XLS extension is used by Microsoft Excel 2003 and earlier whereas the XLSX extension is used by Microsoft Excel 2007 and later.

1. What is the difference of XLS and XLSX?
2. How do I convert XLS to XLSX?
3. Why is XLS bigger than Xlsx?
4. When did XLS change to Xlsx?
5. Is Xlsx faster than XLS?
6. What does XLS stand for?
7. Can you convert XLSX to XLS?
8. Why can't I open XLS files?
9. What is XLSX file in Excel?
10. What is the difference between XLSX and CSV?
11. How do I convert XLSX to CSV?
12. What's the best format to save Excel files?

What is the difference of XLS and XLSX?

The underlying file format is what makes the main difference between the XLS and XLSX files. ... Data is arranged in an XLS file as binary streams in the form of a compound file as described in [MS-XLS]. In contrast, an XLSX file is based on Office Open XML format that stores data in compressed XML files in ZIP format.

How do I convert XLS to XLSX?

How to convert XLS to XLSX online for free

1. First, save the XLS to PDF.
2. Download the first file, and then click 'PDF to Excel' on the footer.
3. Drag the downloaded file into the second, darker green toolbox.
4. It will now convert to XLSX. Download this file.

Why is XLS bigger than Xlsx?

xlsx files use less space than . When these formulas are recalculated in earlier versions of Excel without opening the linked workbooks, characters beyond the 255-character limit cannot be returned." ... And the xls version was about 4x larger than the xlsx version.

When did XLS change to Xlsx?

xls denotes that the file is a Microsoft Excel file. With the launch of Office 2007, Microsoft changed the default file extension to . xlsx. This new file format is part of Microsoft's Open XML format, which results in a smaller file size and better data integration with external sources.

Is Xlsx faster than XLS?

XLS version of the file is faster especially on files that require the use of complex formula for a large set of data. XLSX version of the file is slower especially on files that require use of complex formula for a large set of data. XLS is readable by all Microsoft Excel versions.

What does XLS stand for?

XLS

Can you convert XLSX to XLS?

Option 1: Convert XLSX to XLS directly in Excel

Open the XLSX file you want to convert. In Microsoft Excel, go to the File tab located at the top left. ... Click on the “Save as” option and select “Excel 97-2003 Workbook (*. xls)” from the drop-down menu.

Why can't I open XLS files?

Make sure the "All Excel Files" option is selected in the drop-down box next to File Name. Excel may not display the XLS file if another option is selected, giving you the impression that it can't open it.

What is XLSX file in Excel?

What is an XLSX file? The XLSX file has been the default format to save spreadsheets without macros in Microsoft Excel since 2007. It is, thus, the standard spreadsheet format. These types of spreadsheets can be used to perform calculations or create diagrams, for example.

What is the difference between XLSX and CSV?

In a xlsx you can save the formulas, graphs, pivots, etc in the file. A CSV is just a flat text file that uses a delimiter to separated the fields, e.g. Although Excel can read the fileformat and you can use formulas in it, you cannot save the formulas in the sheet. Excel will only save the result of the calculation.

How do I convert XLSX to CSV?

Using Microsoft Excel to convert . xls, . xlsx file into a . csv format

1. Open your excel file.
2. Click on File and Save as. ...
3. In the “File Name” field type in the name of your document.
4. In the “Save as” field select CSV(Comma Delimited) from the drop down menu.
5. Click Save.
6. You may receive one or two warning about the formatting of .

What's the best format to save Excel files?

Most of the time you use the XLSX format: It's save (can't store malicious code), has the maximum number of rows and columns and is best known. XLSX is available since Excel 2007 and replaces the old XLS file type. It uses the open XML standard so which is documented well.