Free Online XLTX Editor

Edit XLTX documents online from any device, with a modern browser like Chrome, Opera and Firefox.

Discover GroupDocs.Editor free online app!

XLTX Microsoft 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

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How to

How to view, edit, download XLTX files online using GroupDocs.Editor App

  • Click inside the file drop area to upload a XLTX file or drag & drop a 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.

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Powerful document editor .NET library & API.
Build your own multi-platform document and file editor with our .NET library.

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Java version of GroupDocs.Editor library & API.
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Other Editor file formats

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

MOBI EDITOR (Mobipocket eBook)
HTM EDITOR (Hypertext Markup Language File)
HTML EDITOR (Hypertext Markup Language File)
XML EDITOR (XML File)
XML EDITOR (Excel 2003 XML (SpreadsheetML))
PPT EDITOR (PowerPoint Presentation)
PPTX EDITOR (PowerPoint Open XML Presentation)
PPS EDITOR (PowerPoint Slide Show)
PPSX EDITOR (PowerPoint Open XML Slide Show)
FODP EDITOR (OpenDocument Flat XML Presentation)
ODP EDITOR (OpenDocument Presentation)
POT EDITOR (PowerPoint Template)
PPTM EDITOR (PowerPoint Open XML Macro-Enabled Presentation)
POTX EDITOR (PowerPoint Open XML Presentation Template)
POTM EDITOR (PowerPoint Open XML Macro-Enabled Presentation Template)
PPSM EDITOR (PowerPoint Open XML Macro-Enabled Slide)
OTP EDITOR (OpenDocument Presentation Template)
XLS EDITOR (Excel Spreadsheet)
XLT EDITOR (Microsoft Excel Template)
XLSX EDITOR (Microsoft Excel Open XML Spreadsheet)
XLSM EDITOR (Excel Open XML Macro-Enabled Spreadsheet)
XLSB EDITOR (Excel Binary Spreadsheet)
XLAM EDITOR (Microsoft Excel Add-in)
XLTM EDITOR (Microsoft Excel Macro-Enabled Template)
CSV EDITOR (Comma Separated Values File)
TSV EDITOR (Tab Separated Values File)
ODS EDITOR (OpenDocument Spreadsheet)
OTS EDITOR (OpenDocument Spreadsheet Template)
DOC EDITOR (Microsoft Word Document)
DOCX EDITOR (Microsoft Word Open XML Document)
DOCM EDITOR (Word Open XML Macro-Enabled Document)
DOT EDITOR (Word Document Template)
DOTX EDITOR (Word Open XML Document Template)
DOTM EDITOR (Word Open XML Macro-Enabled Document Template)
RTF EDITOR (Rich Text Format File)
TXT EDITOR (Plain Text File)
ODT EDITOR (OpenDocument Text Document)
OTT EDITOR (OpenDocument Document Template)
FODS EDITOR (OpenDocument Flat XML Spreadsheet)
SXC EDITOR (StarOffice Calc Spreadsheet)