Whether you’re compiling monthly reports, consolidating data from multiple departments, or simply organizing information from various sources, developers building document‑processing solutions often need to merge Excel files. With the Cloud .NET REST API, merging Excel spreadsheets—and related file types—becomes straightforward, letting you perform the operation entirely from the cloud with just a few API calls. In this step‑by‑step tutorial, you’ll discover how to merge Excel spreadsheets using the Cloud .NET SDK, complete with a functional code sample.

Steps to Merge Excel Spreadsheets using .NET REST API

1. Sign up and get your API credentials from the GroupDocs Cloud Dashboard
2. Install GroupDocs.Merger Cloud .NET SDK using the NuGet package
3. Configure your API credentials using the Configuration class
4. Initialize an object of the DocumentApi class
5. Set up the source Excel spreadsheets to merge
6. Apply Excel merger options using JoinOptions
7. Process the request to merge two Excel files

The .NET REST API to join Excel spreadsheets makes this process much easier with fewer API calls and minimal development effort. Developers can automate the Excel merger workflows and automatically combine data from multiple Excel files based on user-defined parameters, without manual intervention. The cloud API allows you to avoid writing complex code to manage Excel files and handle various edge cases; it provides all the necessary functionality out of the box.

Code to Merge Excel Spreadsheets using .NET REST API

Merging multiple Excel files can be challenging, especially with large data sets, but the .NET REST API makes it effortless to join Excel spreadsheets in a seamless, automated fashion. By leveraging this cloud‑based REST API, you simplify the merge process, supercharge your workflow, and save valuable time.

We hope this guide has equipped you to merge Excel spreadsheets effortlessly with the .NET REST API. Ready to explore another document type? Dive into our tutorial on Merging Word Documents using the .NET REST API.