Files with .xlk extension are Excel spreadsheet backups used in some of the older version of the program. These files are supposedly still supported even in latest Microsoft Excel and you should be able to open them with Excel and save to some other spreadsheet format, including XLSX or XLS, which is what xlk to xlsx conversion more or less represents.
Home > Search converters: xlk to xlsx
Conversion of xlk file format to xlsx file format beta
Search for xlk to xlsx converter or software able to handle these file types.
Convert Microsoft Excel backup to Microsoft Excel Open XML workbook and spreadsheet.
We have found 2 software records in our database eligible for .xlk to .xlsx file format conversion.
Microsoft Windows software 
- convert xlk to xlsx on Windows
Microsoft Excel
A popular spreadsheet application distributed with Microsoft Office suite
File extension | Convert | Open | Save | Edit | Create | Import | Export | Extract |
|---|---|---|---|---|---|---|---|---|
Convert from xlk file | No | Yes | No | No | Yes | No | No | No |
to xlsx file | Yes, Microsoft Excel supports xlsx file conversion as a target file type. | Yes | Yes | xlsx editor | Yes | No | No | No |
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned xlk to xlsx. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software 
- convert xlk to xlsx on OS X
Microsoft Excel for Mac
A popular spreadsheet application from the Microsoft Office suite
Additional links: Open xlk file, Open xlsx file
XLK
An xlk file extension is related to Microsoft Excel a spreadsheet editing tool for Microsoft Windows and Apple Mac OS X (macOS). An xlk file stores backup of spreadsheet document.
XLSX
Files with xlsx extension are s used by Microsoft Excel for its workbooks (spreadsheets) in Office Open XML format. XLSX is the latest spreadsheet format used by Excel with the adoption of XML formatting first used in Office 2007. While older xls files were in proprietary binary file format, xlsx spreadsheets use a somewhat altered XML scheme.
Back to conversion search
