XLS .xls
The older binary Excel workbook format. Previews show stored cell values.
XLS file format guideXLS to PSB converter
Convert XLS (.xls) to PSB for free. Choose files, review the available settings and download your results. No account needed.
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Photoshop large document .psb
Photoshop's large-document variant of PSD. It uses extended length fields for large raster documents.
Local processing retains a flattened image and is limited to 40 megapixels; it does not implement PSB's full maximum document size.
PSB file format guideHow to convert XLS to PSB
- Select XLS files from your device or drag them into the converter.
- Check the PSB output. Open conversion settings if you want to make adjustments.
- Convert, compare the original and result, then download your files.
Quality, compatibility and file limits
Fonts and unsupported document features may affect layout. Macros and external-link refresh are disabled.
Processing uses your device when possible and our servers when required. Browser files are limited to 256 MB each; server conversions to 64 MB; browser spreadsheets to 32 MB. Previews show supported content and do not guarantee identical rendering in every application.