Best Programs to Convert _XLS to XLSX

Input file format
_XLS
Output file format
XLSX

To ensure the best conversion results from _XLS to XLSX, use the program Microsoft Excel. Once converted into XLSX, the file can be easily edited with compatible applications.

How to convert an _XLS file to a XLSX file?

Once you have the converter installed on your computer, you can start converting the _XLS file to XLSX format. File conversion usually involves a simple process that follows a similar pattern. If you are looking to change the _XLS file format, here are the steps to follow:

  1. Find the specific _XLS file you want to convert on your computer;
  2. Launch Microsoft Excel or any other converter app on your device;
  3. Attach the _XLS file to the conversion software for conversion;
  4. Indicate that the converted file must be in XLSX format;
  5. Determine the destination directory on your drive where you want to save the converted XLSX file;
  6. Go ahead with the conversion confirmation and wait patiently for the process to finish.

Once the conversion is completed successfully, you can find the converted XLSX file in the location you assigned in step 5.

What is file conversion?

File format conversion is the process of changing a file from one format to another to ensure compatibility with software, systems, or devices, while keeping the structural content of the file intact.

Converting the file format is necessary when the original _XLS format is not supported by the software or device you want to use. By supporting various formats, users can use _XLS files effectively, ensuring compatibility and seamless information sharing across platforms.

Special programs and online tools are built specifically to manage file format conversions, streamlining the process. The user-friendly interface of these tools allows users to quickly pick the input _XLS file, specify the XLSX format, and start conversion.

About the formats

Extension_XLS
File TypeMicrosoft Excel Workbook
CategorySpreadsheet Files
Developed byMicrosoft
FormatBinary
MIME types-
HEX code-
ASCII code-
ExtensionXLSX
File TypeMicrosoft Excel Open XML Spreadsheet
CategorySpreadsheet Files and Data Files
Developed byMicrosoft
FormatZip
MIME typesapplication/vnd.openxmlformats-officedocument.spreadsheetml.sheet
HEX code50 4B 03 04
ASCII codePK

Solve problems with _XLS files

If you’re having trouble opening _XLS files, we can suggest a variety of commonly used solutions:

  • Start by requesting a resubmission of the original _XLS file, as it might have been damaged during the transfer process;
  • Consider downloading an alternate file version from the Internet that meets your platform’s specifications;
  • It is a frequent occurrence for the desired file to be converted to a XLSX and posted online, allowing for easy discovery.

Other conversions from the _XLS format