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Spreadsheet Conversion

Convert CSV to XLSM Online — Free

Fast, free CSV to XLSM converter. No registration required.

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How to Convert

1

Upload your .csv 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 .xlsm file when it's ready.

What is CSV?

CSV is a simple format for storing tabular data. Each line represents a row, with values separated by commas. It's universally compatible with spreadsheet applications.

Format Details

Full Name
Comma-Separated Values
Extension
.csv

Key Features

  • Simple format
  • Universal
  • Data exchange
  • Lightweight

What is XLSM?

XLSM is a macro-enabled Microsoft Excel format. It supports VBA macros for spreadsheet automation while using the same Open XML structure as XLSX.

Format Details

Full Name
Excel Macro-Enabled
Extension
.xlsm

Key Features

  • VBA macros
  • Open XML format
  • Excel compatible
  • Automation support

CSV vs XLSM

FeatureCSVXLSM
Full NameComma-Separated ValuesExcel Macro-Enabled
Extension.csv.xlsm
Best ForSimple formatVBA macros

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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