Merge XLSX Online

Merge Excel Documents Online for Free

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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 merger

Free XLSX online merger and much more!

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Registered users

1
Select Output Formats.
2
Click on Open Merger App button.
3
Upload documents.
4
Wait until documents are uploaded.
5
Click on Merge button.
6
Download or share resulted document.
1
Sign in or Log in into conholdate.app
2
Go to your Dashboard
3
Upload your documents
4
Select at least two documents.
5
Click on Merge button.
6
In the opened dialog window select Master document from a drop down menu.
7
Click on Merge button.
8
Download or share resulted document.
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