Convert XLTX to OTS Online — Free
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Upload your .xltx file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .ots file when it's ready.
What is XLTX?
XLTX is the standard Microsoft Excel template format in Office Open XML. It stores cell formatting, conditional rules, charts, and formulas as reusable templates without macros.
Format Details
- Full Name
- Excel Template
- Extension
- .xltx
Key Features
- OOXML format
- Excel template
- No macros
- Standardized
What is OTS?
OTS is the OpenDocument Format spreadsheet template used by LibreOffice Calc, Apache OpenOffice, and other ODF-compatible applications. It stores cell formatting, formulas, and styles as reusable templates.
Format Details
- Full Name
- OpenDocument Spreadsheet Template
- Extension
- .ots
Key Features
- OpenDocument
- Spreadsheet template
- LibreOffice Calc
- ISO standard
XLTX vs OTS
| Feature | XLTX | OTS |
|---|---|---|
| Full Name | Excel Template | OpenDocument Spreadsheet Template |
| Extension | .xltx | .ots |
| Best For | OOXML format | OpenDocument |