XLSM to XLS — Format Comparison & Online Converter
Fast, instant XLSM to XLS conversion. No signup required. Just drop your .xlsm file and get .xls in seconds.
Batch Settings
Besoin de convertir un fichier XLSM en XLS ? Que vous travailliez avec des macros complexes ou que vous cherchiez simplement une compatibilité étendue, notre outil vous offre une solution rapide et fiable. Le format XLSM, bien qu'il prenne en charge les macros VBA, n'est pas toujours idéal pour le partage universel ou l'archivage à long terme, en particulier lorsque les destinataires utilisent des versions plus anciennes d'Excel ou des logiciels de tableur différents. Passer au format XLS garantit une meilleure accessibilité et une manipulation plus aisée de vos données sans sacrifier l'intégrité de vos feuilles de calcul. Simplifiez vos échanges et assurez-vous que vos documents restent lisibles par tous, partout. Notre convertisseur en ligne est conçu pour vous faire gagner du temps et éviter les tracas liés aux problèmes de compatibilité.
- Rapports financiers pour l'administration belge
- Publications académiques suisses
- Tableaux de bord de design au Québec
En France, en Belgique et en Suisse, le passage de XLSM à XLS est souvent pertinent pour les documents officiels ou les publications, où la compatibilité avec des systèmes d'information variés est primordiale, surtout dans les administrations publiques qui n'ont pas toujours les versions les plus récentes de Microsoft Office.
About XLSM to XLS Conversion
XLSM and XLS (introduced 1987) are both spreadsheet formats, but they differ in important ways. XLSM is a widely used file format. XLS is the legacy Excel format (pre-2007) — still encountered in business workflows.
When you convert XLSM to XLS, the goal is to convert between formats quickly. Converting XLSM to XLS maintains high quality with CocoConvert's optimised encoder settings. Understanding these technical differences helps you choose the right format for your workflow.
Your XLSM file is decoded and re-encoded as XLS. The conversion involves 4 steps: (1) your xlsm file is uploaded and validated, (2) the file is decoded (parsed into its raw data), (3) the data is re-encoded in xls format, (4) the converted file is ready for download.
CocoConvert's converter handles the entire pipeline server-side using FFmpeg, Sharp, and qpdf — battle-tested libraries used by streaming platforms and enterprise tools. Files are encrypted in transit and deleted within 24 hours.
This conversion is ideal when you When you need a XLS file. For the opposite direction, CocoConvert also supports XLS to XLSM conversion.
How to Convert XLSM to XLS
- 1
Upload .xlsm file
Select your XLSM file by dragging it to the upload zone or using the file picker. Batch upload is available for multiple files.
- 2
Choose .xls
Set XLS as the output format. The converter uses optimal settings based on the XLSM→XLS conversion profile.
- 3
Convert
The server-side engine decodes your XLSM file and re-encodes it as XLS. Processing time depends on file size and complexity.
- 4
Download result
Grab your converted .xls file. Multiple output files can be downloaded together.
What Happens When You Convert XLSM to XLS
Your XLSM file is decoded and re-encoded as XLS.
Your XLSM file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in XLS format
The converted file is ready for download
Format Comparison
XLSM
.xlsm file
| Extension | .xlsm |
| MIME Type | application/vnd.ms-excel.sheet.macroEnabled.12 |
| Category | Spreadsheet |
XLS
.xls file
| Extension | .xls |
| MIME Type | application/vnd.ms-excel |
| Category | Spreadsheet |
Should You Convert XLSM to XLS?
When to Convert
- ✓When you need a XLS file
Frequently Asked Questions
What is the difference between XLSM and XLS?
XLSM is a widely used file format. XLS is the legacy Excel format (pre-2007) — still encountered in business workflows.
Does XLSM to XLS conversion affect quality?
Converting XLSM to XLS maintains high quality with CocoConvert's optimised encoder settings.
Which format has better compression, XLSM or XLS?
XLSM is a common spreadsheet format. XLS uses none compression. The better choice depends on whether you prioritize file size or quality.
How long does XLSM to XLS conversion take?
Most conversions finish in seconds. Larger files or complex spreadsheet content may take 10–30 seconds. CocoConvert processes files in parallel for batch jobs.
Is XLSM or XLS better for long-term storage?
XLS is better for archival since it preserves all original data.
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