XLSX to CUR Converter

Convert XLSX to CUR cursor — free online

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Cursor File Output

Render your XLSX as a CUR cursor file — the standard format for custom Windows mouse cursors with hotspot support.

Server-Side Work

All processing runs on Convertio servers. Your device is not burdened during the conversion.

Automatic Cleanup

Uploaded files are erased after conversion. Outputs are purged within 24 hours — your data is never retained.

How to convert XLSX to CUR

1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

2

Choose cur or any other format you need as a result (more than 200 formats supported)

3

Let the file convert and you can download your cur file right afterwards

About formats

XLSX is the default spreadsheet format for Microsoft Excel since Office 2007, based on the Office Open XML (OOXML) standard published as ECMA-376 and adopted as ISO/IEC 29500. An XLSX file is a ZIP archive containing XML documents that describe workbook structure, sheet data, styles, shared strings, formulas, charts, pivot tables, and relationships between components. Each worksheet is stored as a separate XML part where cells are organized by row and column references with typed values and style indices. The XML foundation enables programmatic spreadsheet creation and manipulation using libraries like openpyxl (Python), Apache POI (Java), and ClosedXML (.NET) without requiring Excel. XLSX dramatically expanded capacity compared to XLS: over 1 million rows and 16,384 columns per sheet, enabling use cases previously impossible in the binary format. One advantage is openness and cross-platform support — the documented OOXML specification enables implementation by LibreOffice Calc, Google Sheets, Apple Numbers, and numerous specialized tools. Built-in ZIP compression is another practical strength: XLSX files are typically 50-75% smaller than equivalent XLS files, and the modular XML structure improves data recovery when files are partially corrupted. The format supports modern Excel features including structured tables, slicers, sparklines, Power Query connections, and real-time co-authoring. XLSX has become the standard format for spreadsheet data interchange across business, scientific, and government domains.
Developer: Microsoft
Initial release: January 30, 2007
CUR is the cursor image format for Microsoft Windows), structurally nearly identical to the ICO (icon) format but with the addition of a hotspot coordinate that identifies the precise pixel position where mouse clicks register. Introduced with early Windows versions, CUR files use the same container structure as ICO: a directory header listing one or more image entries, each specifying dimensions and color depth, followed by the pixel data for each variant. Like ICO, a single CUR file can contain multiple images at different sizes and color depths, allowing Windows to select the most appropriate cursor image for the current display resolution and color settings. Image data within CUR files can be stored as BMP pixel arrays (for legacy compatibility) or as embedded PNG images (supported since Windows Vista) for alpha-blended cursors with smooth edges. The hotspot coordinate — the distinguishing feature separating CUR from ICO — is stored as an X,Y pair in the directory entry header, typically pointing to the tip of an arrow or the center of a crosshair. One advantage is multi-resolution packaging: a single CUR file provides appropriate cursor imagery across display densities from standard DPI to high-DPI screens. Native Windows integration is another strength — CUR files are loaded directly by the operating system for mouse cursor) display without any third-party software. CUR files are used by application developers and theme creators to customize the pointing experience across Windows environments.
Developer: Microsoft
Initial release: 1987

Frequently Asked Questions

Why convert XLSX to CUR?

CUR is the Windows cursor format — converting creates a small cursor-sized image from your spreadsheet content.

What uses CUR files?

Windows uses CUR for custom mouse cursors. Cursor editors and icon tools like Greenfish Icon Editor also handle CUR.

What resolution is a CUR file?

CUR files are typically small — 32x32 or 64x64 pixels. Your XLSX is rendered and scaled to fit cursor dimensions.

Is this free?

Basic conversions are free. Premium plans offer higher limits for users who need more capacity.

Can I convert on any OS?

Convertio is browser-based — it runs on any platform including macOS and Linux, even though CUR is a Windows format.

Is my file safe?

Uploaded XLSX files are removed after conversion. CUR outputs are deleted within 24 hours from servers.

XLSX to CUR Quality Rating

5.0 (6 votes)
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