Create DOCX using Mail merge in Python

High-speed Python library to execute Mail merge operation for DOCX templates and data from custom data source

Our solution provides a powerful platform independent API. Use our Mail merge document API to develop high-level software for Python platform. This is a powerful software solution for merging templates in Word and PDF formats and data from custom data sources and further exporting the result to DOCX, PDF, HTML and other popular formats using Python.

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Mail merge in DOCX using Python

With our product API, you can create personalized documents using the Mail merge DOCX template, data from a custom data sources and Mail merge feature in Python. Mail merge DOCX template is a document in DOCX format with merge fields – special fields where you want to insert personalized data from your data source.

The data source is a custom data store from which data is pulled during the Mail merge operation to be substituted into appropriate fields of DOCX template.

Report generation

You can build reports based on Mail merge DOCX using the merge operation. Simply create an DOCX template with merge fields that can be used for report generation and select your data source. You can even generate reports from Excel data if you collect it there.

Try Mail merge for DOCX file in Python

To try our Mail merge feature, load a DOCX template with merge fields and fill in these fields through our interface. After running the code, export the report in a convenient format generated using Python.

The following example shows how to perform a Mail merge operation in Python:

Execute a Mail merge operation using docx template in Python
Upload a Mail merge template
Run code
Select the target format from the list
pip install aspose-words
import aspose.words as aw

fields = [
values = [

doc = aw.Document("Input.docx")
doc.mail_merge.execute(fields, values)"Output.docx")
Run code

How to use Mail merge in DOCX files

  1. Install Aspose.Words for Python via .NET.
  2. Add a library reference (import the library) to your Python project.
  3. Create a DOCX merge template with merge fields.
  4. Open the template file in Python.
  5. Call the execute() method, passing the merge fields and their values there.
  6. Call the Save() method, passing an output filename with required extension.
  7. Get the result of Mail merge operation as DOCX file.

Python library to use Mail merge in DOCX

We host our Python packages in PyPi repositories. Please follow the step-by-step instructions on how to install "Aspose.Words for Python via .NET" to your developer environment.

System Requirements

This package is compatible with Python ≥3.5 and <3.12. If you develop software for Linux, please have a look at additional requirements for gcc and libpython in Product Documentation.

Other supported file formats

You can perform Mail merge operation for other file formats:


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