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XLK XLS
File conversion

Convert XLK to XLS

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Is it possible to convert XLK to XLS?
Yes - XLK converts to XLS.

Rename .xlk to .xls and open in Excel; the content is already in Excel format.

2 programs
Also to XLS: WDB · ACCDR · XLR

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Tested on macOS, Windows & Linux
Last verified Oct 2026

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How to convert XLK to XLS

Converting a .XLK file to .XLS lets you open the content in software that prefers the .XLS format, though some details may change compared with the original. The programs listed below open .XLK files and can save or export them to .XLS (or a closely related format). One of them is Microsoft Excel: Microsoft Excel is the most popular spreadsheet, which provides its users a very wide range of useful tools for numerical data processing. Program enables to….

A full step-by-step guide for this conversion is on the way; the information above is drawn straight from our database.

Programs that convert XLK

Microsoft Excel
Microsoft Excel for Mac

About these formats

.XLK Microsoft Excel Backup File

An XLK file is a backup copy of a Microsoft Excel spreadsheet, created automatically when the "Always create backup" option is enabled. To open it, rename the file from .xlk to .xlsx (or…

Open .XLK details →
.XLS Microsoft Excel 97-2003 Workbook (Binary Interchange File Format, BIFF8)

An XLS file is an old-format Microsoft Excel spreadsheet from the Excel 97-2003 era, saved as a binary file rather than the ZIP-based XLSX used since 2007. You can open it free without…

Open .XLS details →