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Convert XLK to XLSX (Excel)

Convert XLK spreadsheet documents to XLSX (Excel) format, edit and optimize documents online and free.

Convert XLK to XLSX
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microsoft-office excel spreadsheet

Microsoft Excel Backup File (.xlk)

The XLK file extension stands for Microsoft Excel Backup File. It is a backup file created by Microsoft Excel to store a copy of an existing Excel file (such as XLSX or XLS) to safeguard against data loss or corruption. This feature, which dates back to earlier versions of Excel, allows users to recover their work in case the original file becomes unusable. While newer Excel versions rely more on autosaving and version history, the XLK backup remains a useful tool for data recovery and archival purposes.

XLK Converter More About XLK

Microsoft Excel Spreadsheet (.xlsx)

The XLSX file extension, standing for "Excel Spreadsheet", represents a widely used format for Microsoft Excel spreadsheets. Introduced in Excel 2007, XLSX replaced the older XLS format, utilizing the Office Open XML (OOXML) standard to store data more efficiently and reduce file size. It supports advanced features such as pivot tables, charts, formulas, and macros, essential for data analysis and reporting in various professional settings. The transition to XLSX provided enhanced security, improved data recovery, and greater compatibility with other software applications, solidifying its status as a pivotal tool in data management and business intelligence.

XLSX Converter More About XLSX

How to convert XLK to XLSX (Excel)?

  1. Upload XLK File

    Choose any XLK spreadsheet document from your computer, or drag & drop a XLK file onto this page.

  2. Select XLK Tools

    Choose any XLK to XLSX (Excel) converter tools for a customized conversion, and click Convert.

  3. Download Your XLSX (Excel)

    Let the conversion process finish, then download your XLSX (Excel) spreadsheet document.

Convert XLK to XLSX

Frequently Asked Questions

How to change XLK format to XLSX?

To change XLK format to XLSX, upload your XLK file to proceed to the preview page. Use any available tools if you want to edit and manipulate your XLK file. Click on the convert button and wait for the convert to complete. Download the converted XLSX file afterward.

Convert Files on Desktop

macOS
Windows
Linux

Convert XLK to XLSX (Excel) on macOS

Follow steps below if you have installed Vertopal CLI on your macOS system.

  1. Open macOS Terminal.
  2. Either cd to XLK file location or include path to your input file.
  3. Paste and execute the command below, substituting in your XLK_INPUT_FILE name or path. $ vertopal convert XLK_INPUT_FILE --to xlsx

Convert XLK to XLSX (Excel) on Windows

Follow steps below if you have installed Vertopal CLI on your Windows system.

  1. Open Command Prompt or Windows PowerShell.
  2. Either cd to XLK file location or include path to your input file.
  3. Paste and execute the command below, substituting in your XLK_INPUT_FILE name or path. $ vertopal convert XLK_INPUT_FILE --to xlsx

Convert XLK to XLSX (Excel) on Linux

Follow steps below if you have installed Vertopal CLI on your Linux system.

  1. Open Linux Terminal.
  2. Either cd to XLK file location or include path to your input file.
  3. Paste and execute the command below, substituting in your XLK_INPUT_FILE name or path. $ vertopal convert XLK_INPUT_FILE --to xlsx

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