Convert CSV to XLS in bulk.
Large CSV files are supported.

Max size: 200 MB per file

You can convert CSV Learn more about CSV files to


How to convert CSV to XLS?

You can convert CSV to XLS with MConverter in three easy steps:
  1. Choose CSV files from your device
    At the top of this page, drag and drop your CSVs.
    You can also click to select CSV files using your operating system's file chooser.
    Another method is to press Ctrl+V to paste a CSV file you have copied to clipboard.
  2. Click or tap on XLS from the list of target formats
    Alternatively, you can use the search field to quickly find the format you need, whether it's XLS or something else.
  3. Download your XLS files, after MConverter has finished processing them
    There's an option to automatically download the converted XLS files, so you don't have to press the download icon for each XLS.

About the formats

Extension csv
Category Document/Office file formats
Developed by -
Mime type text/csv


Comma Separated Values (CSV) files are typically used by spreadsheet software and are a form of a simple database. CSV files are text-based, with each line representing a row of data. Every row's text is separated by commas, denoting columns.
Extension xls
Category Document/Office file formats
Developed by Microsoft
Mime type application/


Spreadsheet compatible with Microsoft Office Excel 2003 and older.

Common questions about converting CSV to XLS

Can I convert CSV to XLS in bulk?

Yes, MConverter supports batch converting of multiple CSVs to XLS's simultaneously. You can even drag and drop folders containing CSVs to convert to XLS.
Pasting CSV files and folders copied in the clipboard also works: use Ctrl+V.

Can I convert a CSV file to XLS, if its size is 1 GB?

Yes, with MConverter Premium you can convert big CSVs, up to 1 gigabyte each.
The free version lets you convert files up to 200 MB. If you need to convert CSV files over 200 megabytes, try MConverter Premium.

Is converting CSVs to XLS safe with MConverter?

Yes, we encrypt your connection using industry standards. Plus, your CSV files are only accessible by you. 24 hours after the conversion completes, they are automatically deleted from MConverter’s servers. You can also delete your CSVs and other converted files immediately after finishing the conversion by clicking the bin icon.
Join others who have trusted us to convert over 2,178,928 files so far.

How long does it take to convert CSV to XLS?

For most documents, the wait may be a minute or so. However, MConverter also supports converting larger documents, meaning that it could take a while (up to over an hour, for example).
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