Mark Data Blocks

Why Block Transformation Was Created

Block Transformation simplifies the process of converting complex Excel files into a more suitable format for data processing. This ensures that even challenging layouts can be processed efficiently.

Example of a Complex Excel File

Complex Excel File


Users can mark data blocks within an Excel file, apply transformations step by step, and save the results into a structured Excel format.

Marking Data Blocks

Block Transformation


Key Features:

  • Select specific cells, columns, rows, entire sheets, or groups of cells.
  • Handle multiple Excel files and data blocks simultaneously.

Note: The flexibility to define blocks makes it easy to process diverse data layouts.

Transforming Data Blocks Using Steps

Click the plus button to add a new block transformation step.

Block Transformation

Tip: Each step can be configured to handle a specific part of the data transformation, ensuring a modular and logical process.

Executing Block Transformation

Press the green arrow to execute the block transformation. The steps are processed sequentially from left to right.

Executing Block Transformation

Video Tutorial

For a comprehensive walkthrough of Block Transformation, refer to the video tutorial available on the platform. This video demonstrates marking data blocks, setting up transformation steps, and executing the process efficiently.


For more technologies supported by our ETL Software see Advanced ETL Processor Versions

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Posted on June 16, 2026 • 2 min read • 248 words
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