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Convert XLS to _XLS

File Extension	XLS
Full Name	Microsoft Excel 97 To 2003 Workbook Format

Files with the .XLS extension contain a spreadsheet encoded in binary form, namely cells distributed into rows and columns and containing data, graphs, and macros. The files were unique to the Microsoft Excel software before the Excel 2007 version, in which they were replaced by the more universal and open XML-based format, XLSX.

File Extension	_XLS
Full Name	Microsoft Excel Workbook

_XLS is a file extension associated with files created by the popular Microsoft Excel application. _XLS files are identical to Excel’s default file format XLS. The added ‘_’is a part of practice to prevent malicious macros sometimes included in spreadsheets sent via email from damaging user’s computer.

What is file format conversion?

File format conversion is the process of transforming a file from one format (referred to as "XLS") to another (referred to as "_XLS"). This may be necessary for various reasons. For example, XLS file may be incompatible with the software or device we want to use to open or edit it. In such cases, converting the file from format XLS to format _XLS becomes essential.

So, how can we perform XLS to _XLS file conversion? Fortunately, there are many tools and computer programs available that enable file format conversion. These tools work by reading the data from the file in format XLS and transforming it into format _XLS. This allows the preservation of the original information contained in the file, even after changing its format. Below you will find a list of XLS to _XLS converters.

Conversion from XLS to _XLS

XLS to _XLS

How to convert the XLS file to _XLS?

If you have already downloaded one of the converters and installed it on your computer, you can proceed to the appropriate conversion process of XLS to _XLS. Handling all the programs is usually very intuitive and is based on the same pattern of conduct. We will briefly discuss a few steps that you always need to go through while changing the format of the XLS file:

Please indicate on your computer the source file XLS, the format of which you are going to change
Load the XLS file to the application
Select the output format of the _XLS file (the one that we want to achieve)
Select the location to save the output file _XLS on the disk (the place where the program will save the converted file)
Confirm conversion
Wait for a moment
Enjoy the converted _XLS file that can be found in the location selected in step 4

Other conversions
from the XLS format:

Other conversions
to the _XLS format:

I cannot see the file extensions. What should I do?

File extensions are not normally displayed to users. To change this, go to Control Panel, select Appearance and Personalization and Folder Options. Next, select the View and find the option "Hide extensions for known file types". The option should be deselected (cleared) and confirmed with OK.