Free Online XLTX Document Editor

View, edit, convert & download XLTX document online from any device, with a modern browser like Chrome, Firefox

Drop or upload your file

XLTXMicrosoft Excel Open XML Template

Files with XLTX extension represent Microsoft Excel Template files that are based on the Office OpenXML file format specifications. It is used to create a standard template file that can be utilized t

Read More

How to view, edit, download a XLTX document using GroupDocs Editor App

Click inside the file drop area to upload a XLTX file or drag & drop a XLTX file.
File will be automatically rendered for you to view/edit/download instantly.
View & edit document.
Download the original XLTX file.
Download the edited XLTX file.
Download the edited XLTX file as PDF.
View/edit document HTML source.

Quick and Easy Editor

Upload or create new document and you will be redirected to the HTML Editor app with great user experience and many more features.

Edit from Anywhere

It works from all platforms including Windows, Mac, Android and iOS. All files are processed on our servers. No plugin or software installation required for you.

Editor Quality

Other Editor file formats

You can also edit many other file formats. Please see the complete list below.

csv Editor (Comma Separated Values File)
doc Editor (Microsoft Word Document)
docm Editor (Microsoft Word Macro-Enabled Document)
docx Editor (Microsoft Word Open XML Document)
dotx Editor (Word Open XML Document Template)
html Editor (Hyper Text Markup Language)
mhtml Editor (MIME Encapsulation of Aggregate HTML)
ods Editor (Open Document Spreadsheet)
odt Editor (Open Document Text)
ott Editor (Open Document Template)
rtf Editor (Rich Text File Format)
tsv Editor (Tab Separated Values File)
txt Editor (Plain Text File Format)
xls Editor (Microsoft Excel Binary File Format)
xlsb Editor (Microsoft Excel Binary Spreadsheet File)
xlsm Editor (Microsoft Excel Macro-Enabled Spreadsheet)
xlsx Editor (Microsoft Excel Open XML Spreadsheet)
xltm Editor (Microsoft Excel Macro-Enabled Template)
xml Editor (Extended Markup Language)
xml Editor (Extended Markup Language)