CSV to XLSX

Convert CSV to XLSX online and free

Step 2 - Convert your files to

Or choose a different format

Step 3 - Start converting

(And agree to our Terms)

Trusted by employees at these brands

Employees of some of the world's most well-known brands rely on Zamzar to convert their files safely and efficiently, ensuring they have the formats they need for the job at hand. From global corporations and media companies, to respected educational establishments and newspaper publications, employees of these organisations trust Zamzar to provide the accurate and reliable conversion service they need.

Philips logo BBC logo Amazon logo Netflix logo Harvard logo Microsoft logo Discovery logo Shell logo Colombia logo Siemens logo Sky logo Princeton logo

Your files are in safe hands

Zamzar has converted over 510 million files since 2006

For every 10,000 files converted on Zamzar, we'll plant a tree. By using Zamzar you are helping to make a difference to our planet

We're committed to regular charitable giving. Each month we donate at least 2% of our company profits to different charities

From your personal desktop to your business files, we've got you covered

We offer a range of tools, to help you convert your files in the most convenient way for you. As well as our online file conversion service, we also offer a desktop app for file conversions straight from your desktop, and an API for automated file conversions for developers. Which tool you use is up to you!

Want to convert files straight from your desktop?

Get the App

Fully integrated into your desktop

Convert over 150 different file formats

Convert documents, videos, audio files in one click

Need conversion functionality within your application?

Explore the API

One simple API to convert files

100s of formats for you to choose from

Documents, videos, audios, images & more...

Tools to suit your file conversion needs

You'll find all the conversion and compression tools you need, all in one place, at Zamzar. With over 1100 file-conversion types supported, whether you need to convert videos, audio, documents or images, you'll easily find what you need and soon have your files in the formats and sizing that work for you.

CSV Document Format

CSV Converter

CSV is a type of file for saving spreadsheet data which is recognised by almost all spreadsheet programs. CSV stands for ‘comma separated values’, and if you open a CSV file outside a spreadsheet program, you will see plain text with the data separated, usually by commas, semi-colons, or quotation marks. If you open that same CSV file in a spreadsheet program like Microsoft Excel, Apple Numbers, Google Sheets or LibreOffice Calc, each separated piece of data should then be transferred into an individual cell.<br><br>Because CSV files are recognised by almost all spreadsheet programs, they are used as a simple way to export data or transfer it between different programs. However, CSV is a plain text format, so CSV files cannot include advanced spreadsheet functions like charts, formulas, filters, or formatting. There is also not currently a universal open standard for all CSV files.

Related Tools

XLSX Document Format

XLSX Converter

XLSX is a file type created using Microsoft Excel - part of the Microsoft Office Suite software. This file format is a zipped Open XML-based file type, meaning it compresses or reduces the file size so that it can access stored data faster and be easily shared with other programs. XLSX was developed by Microsoft as part of their Office 2007 development and is now the default file format for Excel.<br><br>XLSX files are very similar in their functionality to their predecessor, XLS; they can be used to create spreadsheets, charts and graphs, process mathematical formulae, and to share or analyse data. The main difference between XLSX and XLS is in how the data is stored. Whereas XLS files hold data in a single file, XLSX saves data in the Open XML format, with separate files zipped up together to reduce space. This also means that XLSX files can present larger data sets and have a greater range of cells. As well as with Microsoft Excel, XLSX files can be opened using various other programs, including Google Sheets, LibreOffice, and Apple Numbers.

Related Tools

How to convert a CSV to a XLSX file?

  1. 1. Choose the CSV file that you want to convert.
  2. 2. Select XLSX as the the format you want to convert your CSV file to.
  3. 3. Click "Convert" to convert your CSV file.

Convert from CSV

Using Zamzar, it is possible to convert CSV files to a variety of other formats:

CSV to DOC CSV to HTML CSV to MD CSV to MDB CSV to ODS CSV to PDF CSV to RTF CSV to XLS CSV to XLSX CSV to XML

Convert to XLSX

Using Zamzar, it is possible to convert a variety of other formats to XLSX files:

CSV to XLSX NUMBERS to XLSX NUMBERS.ZIP to XLSX ODS to XLSX PDF to XLSX WKS to XLSX XLR to XLSX XLS to XLSX