Microsoft Excel is a popular tool for data analysis and transformation, but it has its limitations. While Excel is convenient for small datasets and quick calculations, it can become cumbersome and inefficient when handling large and complex datasets. Here are some of the cons of using Excel files for data transformation tasks.

Limited Data Capacity
Excel has a limited capacity for handling large amounts of data. It can handle up to 1,048,576 rows and 16,384 columns per worksheet. While this might seem like a lot of data, it is not enough for handling big data projects that require the processing of millions of records.
Slow Performance
Excel is known to be slow when processing large datasets. It can take a long time to perform complex calculations, sort data, or filter large datasets. This slow performance can be frustrating for users who need to process large amounts of data quickly.
Limited Functionality
Excel has a limited set of functions for data transformation tasks. While it offers basic functions for data manipulation, such as sorting, filtering, and pivot tables, it does not have the advanced features necessary for complex data transformations. This can limit the capabilities of users who need to perform complex data transformations.
Prone to Errors
Excel files are prone to errors, especially when working with large and complex datasets. These errors can occur due to incorrect data entry, formula errors, or formatting issues. These errors can be difficult to identify and correct, leading to inaccurate results.
Security Risks
Excel files are not very secure and can be easily shared or copied. This can lead to data breaches and security risks. Excel files can also be easily modified, which can lead to unauthorized changes to the data.
Collaboration Challenges
Excel files can be challenging to collaborate on, especially when working with multiple users. It can be difficult to keep track of changes and versions of the file. This can lead to confusion and errors when trying to combine multiple datasets or work on a shared project.
Manual Processes
Excel requires manual data entry and manipulation, which can be time-consuming and error-prone. Automating data processes with Excel requires extensive coding and scripting, which can be difficult for non-technical users.
Difficult to Maintain
Excel automation is difficult to maintain, especially as the data and processes become more complex. Any changes to the data or process require updates to the automation script, which can lead to inaccuracies and delays in the data processing.
No-code tools
No-code tools allow users to automate data processes without requiring extensive coding or scripting. Here's why no-code tools are better than Excel:
Faster Development Time
No-code tools allow users to build data workflows quickly and easily, without requiring coding. This reduces development time significantly, making it possible to automate data processes in hours.
Less Error-Prone
No-code tools have fewer opportunities for human error, as they use pre-built blocks and visual workflows. This reduces the risk of data entry errors, formula errors, or formatting issues that can occur when using Excel.
Greater Scalability
No-code tools are more scalable than Excel and can handle large and complex datasets. This makes it possible to automate data processes for large datasets, which would be difficult or impossible to do with Excel.
Easier to Maintain
No-code tools are easy to maintain, as they are designed to be modular and easy to update.
In conclusion, no-code tools for data transformation are better than Excel because they are faster, less error-prone, more scalable, easier to maintain, and better for collaboration. While Excel may be useful for simple data tasks, no-code tools offer more advanced features and greater efficiency for complex data workflows.