Split xltx sheets

Download and install the latest version of Filestar.
Right click on one or more Xltx file(s) on your desktop and select Convert with Filestar.
Type split sheets in the search box.
Press Split.

What is .xltx?

Name: Excel Open XML Spreadsheet Template
Extension: .xltx
Format: Binary
Category: Spreadsheet
Developer: Microsoft
Description: An XLTX file is a template created by Microsoft Excel, a program used for creating spreadsheets.
MIME Type: application/vnd.openxmlformats-officedocument.spreadsheetml.template
Wikipedia: .xltx on Wikipedia

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Last updated October 3, 2026