Convert CSV files to Excel in Power Automate Flow

In this tutorial, we’ll show how to convert CSV files to Excel XLSX in Power Automate Flow (Microsoft Flow) using the Convert Csv to Excel action from the Plumsail Documents connector.

Content of the article:

What Is CSV?

CSV, short for Comma-Separated Values, is a basic file format used for storing table-like data, such as spreadsheets, in plain text. Each line in a CSV file represents a row of data, with values separated by commas. Its simplicity and compatibility with different software make it easy to create, read, and work with. When handling CSV files, it’s crucial to ensure proper comma separation to avoid data errors.

CSV is widely used across various industries for tasks like exchanging data between different programs or platforms, managing inventory, or organizing financial records.

What Is Excel?

Excel, created by Microsoft, is a widely-used spreadsheet program known for its ease of use and versatility. It helps users organize, analyze, and manipulate data effortlessly. With Excel, you can create tables, charts, and graphs to visualize data and perform calculations using formulas and functions. It also offers features like conditional formatting and pivot tables for more advanced data analysis.

How to Convert CSV to Excel in Power Automate: Tutorial

Now let’s take a step-by-step look at how convert CSV to Excel in Power Automate. Say we have a folder with CSV files and want to convert newly added CSV files to XLSX and store them in another folder.

Our source CSV files have to be stored somewhere. Power Automate (Microsoft Flow) has a lot of connectors for different systems.

Here are just a few of them:

  • SharePoint

  • Salesforce

  • Box

  • OneDrive

  • Google Drive

  • Dropbox

  • SFTP

  • File System

You can store your files anywhere. In this example, we will store our source CSV files and the resulting Excel files in SharePoint folders, but you can get data from any other sources.

You can download the CSV demo file.

This is how our flow looks:

Csv to Excel flow

Below is a step-by-step description of the flow.

Flow trigger

The flow starts when a new CSV file is uploaded to a CSV folder on the SharePoint site.

Csv to Excel flow

Convert CSV to Excel XLSX

Convert CSV to Excel is an action from the Plumsail Documents connector.

Csv to Excel flow

If this is your first time using the Plumsail Documents connector, Power Automate will request the Connection Name and API Key.

Create connection in Power Automate flow

You can type any name for the connection, for example Plumsail Documents.

Once the connection name is filled out, create an API key in your Plumsail Account, copy and paste it into the Access Key field, and then click Create.

Copying an API key from the account

The action Convert Csv to Excel has one required field - the content of the CSV file you’d like to convert to Excel. We inserted the trigger output into this field. Also, you can change the advanced options Delimiter, Locale, Limit and Use first line as headers if it’s needed.

Create file

Finally, I save the resulting Excel spreadsheet to another SharePoint folder.

Csv to Excel flow

What advantages does Power Automate offer for converting CSV to Excel

Power Automate is a valuable tool for simplifying tasks, including converting CSV files to Excel format. Let’s explore the advantages of using Power Automate for this process.

1. Streamlined Automation

With Power Automate, converting CSV files to Excel is automated, saving time and effort. Setting up the conversion flow is easy:

  • Input the CSV file.

  • Add Convert CSV to Excel action.

  • Save the result file.

  • Validate and test the flow for smooth operation.

2. Easy Integration

Power Automate seamlessly integrates with various applications, enhancing efficiency further. By connecting with other platforms, data transfers become effortless. Integration involves:

  • Selecting desired apps for integration.

  • Configuring settings for data exchange.

  • Testing and activating the integrated flow for automated conversions.

3. User-Friendly Interface

Power Automate has an intuitive interface, making the CSV to Excel conversion process simple. The straightforward steps include:

  • Creating the flow within Power Automate.

  • Adding CSV to Excel action.

  • Testing the flow for successful conversion.

What are the restrictions when converting CSV to Excel using Power Automate

Power Automate makes converting CSV files to Excel easy, but there are important rules to remember. These rules can affect how well the conversion works. Let’s look at the main restrictions when using Power Automate to convert CSV to Excel.

1. Premium plan required for additional features

If you require integration of the CSV to Excel action with custom systems in Power Automate, you might find that some connectors require a Premium plan. Here are the steps to consider:

  • Check the available pricing plans for Power Automate.

  • Choose a premium plan that suits your needs and budget.

  • Activate the premium plan for your Power Automate account to access additional features.

2. Potential compatibility issues with complex data

Converting CSV to Excel in Power Automate may encounter compatibility issues with complex data. To address this, consider the following steps:

  • Check for special characters and remove or replace them if necessary.

  • Ensure data types in the CSV file align with Excel columns to avoid errors.

  • Manage large files by splitting data or using batch processing.

  • Standardize formatting inconsistencies before conversion.

  • Test the conversion process with sample data to identify and resolve compatibility issues beforehand.

By understanding these restrictions and taking appropriate measures, you can maximize the benefits of CSV to Excel conversion using Power Automate.


Now you’ve learned how to convert CSV files to Excel XLSX format using Power Automate Flow. Understanding the benefits and limitations involved, you’re now equipped to streamline your data management tasks effectively. With Power Automate’s automation and integration capabilities, you can optimize workflows and boost productivity in various scenarios.