Please Note: This article is written for users of the following Microsoft Excel versions: 2007, 2010, 2013, and 2016. If you are using an earlier version (Excel 2003 or earlier), this tip may not work for you. For a version of this tip written specifically for earlier versions of Excel, click here: Avoiding Scientific Notation on File Imports.

Avoiding Scientific Notation on File Imports

by Allen Wyatt
(last updated June 10, 2017)

Mark has a text file that he routinely imports into an Excel workbook. The file is created by a different program, and one of the columns in the file contains numbers, the letter "e," and then more numbers. When importing the file into Excel, the column is converted to scientific notation by Excel, rather than being treated as text.

Chances are good that the file you are importing—the one created by the other program—is a CSV file. This means that the values in the file are "comma separated" and easily understood by a program such as Excel. If you open a CSV file, Excel just "does it," without asking very much about the data being imported. This is where the problem would occur—Excel is simply making the assumption that the problem column contains numeric values in scientific notation.

The solution is to get Excel to ask you how you want the data imported. The key to doing this is to rename the file you are importing. Change the file's extension from CSV to something else, such as DAT. When you then try to open the file in Excel (start Excel and then use Open to locate and try to open the newly renamed file), the Import Wizard starts. This wizard gives you complete control over how Excel treats your incoming data.

Most of the wizard is self-explanatory. You'll want to pay particular attention to the third step of the wizard which allows you to specify the data type for each column of the import data. The default data type for each column is "general," which means that Excel tries to interpret the data based upon its regular parsing routines. Instead, you want to locate the column that contains the problem data and specify that the column should be treated as text—exactly what you want.

If you have to import this type of file regularly, you might want to create a macro that does the import for you. All you need to do is use the macro recorder to record each step of the Import Wizard. You can then replay the macro anytime you need to import the file again.

ExcelTips is your source for cost-effective Microsoft Excel training. This tip (12201) applies to Microsoft Excel 2007, 2010, 2013, and 2016. You can find a version of this tip for the older menu interface of Excel here: Avoiding Scientific Notation on File Imports.

Author Bio

Allen Wyatt

With more than 50 non-fiction books and numerous magazine articles to his credit, Allen Wyatt is an internationally recognized author. He is president of Sharon Parq Associates, a computer and publishing services company. ...

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