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Spreadsheet Conversion

Convert XLTM to SXC Online — Free

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How to Convert

1

Upload your .xltm file by dragging it into the upload area or clicking to browse.

2

Choose your output settings. The default settings work great for most files.

3

Click Convert and download your .sxc file when it's ready.

What is XLTM?

XLTM is a Microsoft Excel macro-enabled template file in the modern Office Open XML format. It contains VBA macros along with spreadsheet formatting and formulas for automated workbook generation.

Format Details

Full Name
Excel Macro-Enabled Template
Extension
.xltm

Key Features

  • Macro-enabled
  • OOXML format
  • VBA macros
  • Excel template

What is SXC?

SXC is the legacy spreadsheet format from StarOffice and early OpenOffice.org (pre-2.0). It stores spreadsheet data as XML inside a ZIP archive and was the predecessor to the ODF/ODS standard.

Format Details

Full Name
StarOffice Calc Spreadsheet
Extension
.sxc

Key Features

  • Legacy StarOffice
  • XML-based
  • ZIP archive
  • Predecessor to ODS

XLTM vs SXC

FeatureXLTMSXC
Full NameExcel Macro-Enabled TemplateStarOffice Calc Spreadsheet
Extension.xltm.sxc
Best ForMacro-enabledLegacy StarOffice

Frequently Asked Questions

Yes. You can convert up to 5 files per day completely free, with no watermark or registration required. Pro users get unlimited conversions and larger file sizes.
Most files convert in under 30 seconds. Larger files may take 1-3 minutes. Processing runs on our servers, so your device stays fast.
Our converter uses optimized settings to preserve quality. Default settings prioritize quality over file size. You can adjust settings for more control.
Free users can convert files up to 100MB. Pro users can convert files up to 2GB with priority processing.
Yes. Our converter is browser-based and works on any device — iPhone, Android, tablet, or desktop. No app or software installation needed.

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