Online XLSX Editor

Free Online Excel Editor

XLSX
Microsoft Excel Open XML Spreadsheet
XLSX is well-known format for Microsoft Excel documents that was introduced by Microsoft with the release of Microsoft Office 2007. Based on structure organized according to the Open Packaging Conventions as outlined in Part 2 of the OOXML standard ECMA-376, the new format is a zip package that contains a number of XML files. The underlying structure and files can be examined by simply unzipping the .xlsx file.
XLSX
Microsoft Excel Open XML Spreadsheet
XLSX is well-known format for Microsoft Excel documents that was introduced by Microsoft with the release of Microsoft Office 2007. Based on structure organized according to the Open Packaging Conventions as outlined in Part 2 of the OOXML standard ECMA-376, the new format is a zip package that contains a number of XML files. The underlying structure and files can be examined by simply unzipping the .xlsx file.

Get started with online XLSX editor

Free XLSX online editor and much more!

Without registration

Registered users

1
Select document format from a drop down.
2
Click on Open Editor App button.
3
Click inside the file drop area or drag n drop file into it to upload file.
4
Click on Edit button to open document editor.
1
Sign in or Log in into conholdate.app
2
Go to your Dashboard
3
Upload your documents
4
Click on button next to a document.
5
From opened drop down menu select Edit option.
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