Combine Multiple Excel Sheets Into One

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Using a macro to combine multiple Excel files into one When we have multiple Excel files, we can merge them in a swift manner using a VBA macro. We can easily use the macro displayed below. We will click on Alt + F11 and select Visual Basic Editor. If there are several sheets within one file, hold the Ctrl key and click on each sheet tab. Alternatively, go to the first worksheet you want to copy, hold the Shift key and click on the last worksheet. That way, all worksheets in between will be selected as well. Once all worksheets are selected, right click on any of the selected worksheets. How to merge two or more excel worksheet into one worksheet by using some VBA code. How to consolidate data from multiple worksheets into one worksheet in excel. Merge multiple worksheets into one worksheet. You may often need to merge multiple worksheets into one worksheet, which makes it easier for us to quickly count and analyze the data. Video tutorial how to merge multiple Excel files into a single file. Please follow the instructions below to merge multiple Excel or CSV files into one sheet. This method only applies to Windows computers. Step 1: You put all Excel or CSV files into a folder like this. Remember that the directory cannot contain any other file types.

Introduction

One of the most commonly used pandas functions is read_excel. This short article shows how youcan read in all the tabs in an Excel workbook and combine them into a single pandas dataframe usingone command.

For those of you that want the TLDR, here is the command:

Read on for an explanation of when to use this and how it works.

Excel Worksheets

Excel Combine Multiple Spreadsheets Into One

For the purposes of this example, we assume that the Excel workbook is structured like this:

The process I will describe works when:

Multiple
  • The data is not duplicated across tabs (sheet1 is one full month and the subsequent sheets have only a single month’s worth of data)
  • The columns are all named the same
  • You wish to read in all tabs and combine them
Combine Multiple Excel Sheets Into One

Understanding read_excel

The read_excel function is a feature packed pandas function. For this specificcase, we can use the sheet_name parameter to streamline the reading in of all the sheetsin our Excel file.

Most of the time, you will read in a specific sheet from an Excel file:

If you carefully look at the documentation, you may notice that if you use sheet_name=None,you can read in all the sheets in the workbook at one time. Let’s try it:

Pandas will read in all the sheets and return a collections.OrderedDict object. For the purposesof the readability of this article, I’m defining the full url and passing it to read_excel. In practice,you may decide to make this one command.

Excel

Let’s inspect the resulting all_dfs:

If you want to access a single sheet as a dataframe:

Combine Multiple Excel Sheets Into One Alteryx

account numbernameskuquantityunit priceext pricedate
0412290Jerde-HilpertS2-778964376.663296.382018-03-04 23:10:28
1383080Will LLCS1-936832890.862544.082018-03-05 05:11:49
2729833Koepp LtdS1-302481344.84582.922018-03-05 17:33:52
3424914White-TrantowS2-824233850.931935.342018-03-05 21:40:10
4672390Kuhn-GusikowskiS1-509613448.201638.802018-03-06 11:59:00

If we want to join all the individual dataframes into one single dataframe, use pd.concat:

In this case, we use ignore_index since the automatically generated indicesof Sheet1, Sheet2, etc. are not meaningful.

Combine Multiple Excel Sheets Into One

If your data meets the structure outlined above, this one liner will return a singlepandas dataframe that combines the data in each Excel worksheet:

Combine excel files into one workbook

Summary

Combine Multiple Excel Sheets Into One Sheet Vba

This trick can be useful in the right circumstances. It also illustrates how muchpower there is in a pandas command that “just” reads in an Excel file. The full notebookis available on github if you would like to try it out for yourself.

Copy Data From Multiple Worksheets Into One

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