Excel 2003 Online



Excel 2003 enables you to turn data into information with powerful tools to analyze, communicate, and share results. Excel 2003 can help you work better in teams, and help protect and control.

  1. Excel 2003 enables you to turn data into information with powerful tools to analyze, communicate, and share results. Excel 2003 can help you work better in teams, and help protect and control.
  2. Download Excel with a Microsoft 365 subscription, or start your free trial to create pivot tables, edit Excel spreadsheets, share XLS files and more.

Our Other Excel Tutorials:
2016, 2013, 2007, 2003, 1997

By Denise Etheridge

You can use this free online tutorial to learn Microsoft Excel 2003 or 2002, click here to start. If you are using Excel 2007, click here for our Excel 2007 tutorial.

Microsoft Excel is an electronic spreadsheet that runs on a personal computer. You can use it to organize your data into rows and columns. You can also use it to perform mathematical calculations quickly. This tutorial teaches Microsoft Excel basics. Although knowledge of how to navigate in a Windows environment is helpful, this tutorial was created for the computer novice. This lesson will introduce you to the Excel window. You use the window to interact with Excel.

Lesson 2: Formatting Text and Performing Mathematical Calculations

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Lesson 1 familiarized you with the Excel 2007 window. A major strength of Excel is that you can perform mathematical calculations and format your data. In this lesson, you learn how to perform basic mathematical calculations and how to format text and numerical data.

By using functions, you can quickly and easily make many useful calculations, such as finding an average, the highest number, the lowest number, and a count of the number of items in a list. Microsoft Excel has many functions you can use. This lesson teaches you how to use functions and how to print.

In Microsoft Excel, you can represent numbers in a chart. This lesson teaches you how to create a chart in Excel.

Last updated: May 2020

Applicable to: Microsoft Office Excel 365, 2019, 2016, 2013, 2007. Windows 7 and 10 operating systems.

Skyler set us a note about her Microsoft Excel spreadsheet not opening:

“I work as an analyst and have a significant number of old .xls files were created in the previous versions of Excel. Now that i have upgraded to the new version, Excel 365 won’t open the existing files telling me that they are corrupted and can’t be opened. Is there any possible way to associate or convert Excel 2003 files to/in version 2016 or 2019, so they’ll open up correctly? I have invested significant amount of work in those files and would hate starting all the work from scratch :-(.

Many readers have asked us about how to troubleshoot compatibility issues between older Office versions and the existing version 2016. In this post we’ll discuss what to actually do if Excel is not opening your existing .xls format files or won’t save changes you make to existing spreadsheets into a new format. Although we have written the tutorial specifically for Excel, the information and procedure below are obviously fully applicable to other relevant Microsoft Office applications such as Word, PowerPoint and Visio.

Set your Trust Center settings

  • Open Microsoft Excel 2016, hit File and select Options.
  • In the dialog box select Trust Center and hit on Trust center settings.
  • Select Protected view on the left, un-checkall the options in the Protected View section and select OK.
  • Now restart Excel 2016 and try to open the legacy Excel workbook.

Microsoft Excel 2007 Free Download

Converting xls files to 2016/2019

Compatibility Mode allows to convert Office files so they become usable in later versions.

Open Excel 97-2003 Online

Two caveats with using Compatibility on your existing xls workbooks:

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  • It changes the layout of your document or spreadsheet.
  • It is not reversible – once the file is converted to the new format; in this case – .xlsx; you won’t be able to revert the file to the .xls version. Therefore our recommendation is to backup the file by simply creating a copy of it before you go ahead and follow the steps below:

Fine with the two caveats above? Please proceed as following to convert your workbook to version 2016:

  1. Open your existing spreadsheet.
  2. First off, secure your current work by making a backup of the existing spreadsheet by saving it with a different file name. You might want to add the suffix before_converting to the file name (File>>Save As>>Set the new file name with the suffix and select the current file type)
  3. Now, hit File.
  4. In the Compatibility Mode section, Hit Convert.
  5. If prompted, hit OK
  6. Your old spreadsheet will go through the conversion process and modified to version 2016/2013.

Set Excel’s default format to .xls

This should probably be your last resort, but if the steps below didn’t help, you might want to try setting the Excel 97-2003 workbook format to be the default in Office 2016-2019. If this sounds like a possible solution to you, proceed as following:

  • Open Excel 2016, click on File and select Options.
  • Click on Save on the left and in the Save files in this format drop down box, select Excel 97-2003 workbook.
  • Hit OK.
  • Now the default save format option for Excel documents will be as a xls file.
  • Voi’la you are able to open older Excel versions in Excel 2016.

Download Microsoft Excel 2003 online, free

Converting Excel workbooks with VBA Macros or Python scripts

Excel 2003 Download

If you have a very significant amount of documents you would like to convert, you could potentially automate the entire task. Feel free to contact us for more details.