Home/Convert/xlsx Knowledge Base

File Format Technical Reference

What is a .xlsx File?

XML-based spreadsheet file format native to Microsoft Excel.

Open SPREADSHEET Studio

Technical Specifications

Extensions

.xlsx

MIME Type

application/vnd.openxmlformats-officedocument.spreadsheetml.sheet

Format Category

spreadsheet

Execution Mode

browser-native

Convert xlsx to Other Formats

5 targets supported

Convert Other Formats to xlsx

3 sources supported

Frequently Asked Questions

XML-based spreadsheet file format native to Microsoft Excel.