The File Extensions Database

.XSLB File Extension

  • Developer by: Microsoft Corporation
  • Category: Spreadsheet and workbook Files

What is an .XSLB file?

.XSLB is Microsoft Excel data

The xslb file extension is associated with the Microsoft Excel a spreadsheet editing tool for Microsoft Windows and Apple Mac OS X operating systems.

The xslb file stores some kind of data used by Microsoft Excel.

The default name of xslb file is:


How to open:

The xslb files are used for internal purposes of Microsoft Excel.

How to convert:

Conversion to other formats is not possible.

How to solve problems with XSLB files

  • Associate the XSLB file extension with the correct application. On :
    Windows: Right click on any XSLB file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.XSLB files". Mac: Right click (or Ctrl-click) the XSLB file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .XSLB is Microsoft Excel data. Because only the current version supports the latest XSLB file format. Search, therefore, e.g. on the Microsoft Corporation manufacturer website after an available .XSLB is Microsoft Excel data update.
  • To make sure that your XSLB file is not corrupted or virus-infected, get the file again and scan it with antivirus software.