CSV XLSM
Free online converter

Convert CSV to XLSM

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CSV to XLSM converterFREE
Drop a .CSV file here
or pick one - we convert it to .XLSM and give you the file to download

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Tested on macOS, Windows & Linux
Last verified Oct 2026

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How to convert CSV to XLSM

  1. Add your .CSV file - drop it in the box above or click to browse.
  2. Convert it to .XLSM in a few seconds.
  3. Download your new .XLSM file.

What to expect

  • The CSV has no code, so the XLSM ships with an empty macro project - the extension permits macros but none are created.
  • Values are placed in cells; CSV carries no formulas or formatting, so the sheet holds plain data.
  • Correct delimiter and encoding handling determines whether numbers, dates and special characters land correctly.

Frequently asked questions

Does converting CSV to XLSM add any macros?
No - CSV is plain data with no code, so the resulting XLSM holds the data on a worksheet with an empty macro project. The .xlsm extension simply allows macros to be added later.
Why convert to XLSM rather than XLSX?
Choose XLSM when you intend to add VBA automation to the workbook afterward. If you never need macros, XLSX is the more common choice for the same data.
Where does an XLSM open?
Microsoft Excel opens it with full macro support; LibreOffice Calc and WPS Office open it with partial VBA support, while Google Sheets and Excel for the web show the data but do not run macros.
Does the data become a proper spreadsheet?
Yes - the CSV rows are loaded into worksheet cells, so the values are stored as a workbook rather than a single flat text file.