Free Web App to Assemble Email Processing Documents

Web assembly of data in MSG, PST, OST, MBOX and EML file formats. Load a template & fill it with data from a data source.


Data Source Name*
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Aspose.Email Assembly App is a unique web app to create emails with templates, when you need to build an email from any device and anywhere. Use it to create an email with your custom template, it is can be helpful when you need to create many similar emails with minor data changes. Fill the email’s template with your data to build a new email. You can instantly download the result email message.

Assembly App is a free app provided by Aspose.Email.

Please, feel free to check our powerful Cloud SDKs and other easy-to-use online Apps.


Aspose.Email Assembly

  • Create a new email online using a message template and data from a data source.
  • Assemble data online in a new email file.
  • Prepare a message template according to instructions in the «Help» section.
  • Upload data source file with data to be inserted to the new email file.
  • Instantly download the assembled file.
  • Assemble data in MSG, PST, OST, MBOX, EML files.
  • Assemble email data online on Windows 10, Mac OS, iOS, Android and other systems.
  • Send assembled email files with Outlook, Apple Mail, Gmail, eM Client, Thunderbird & Mailbird email clients.
  • Generate report JSON, CSV, XML, XLS, XLSX
Fast and Easy Assemble Data

Fast and Easy Assemble Data

Upload your template and data-source files, choose the appropriate options and click on “ASSEMBLE NOW” button. You will get the output file as soon as the files are assembled..

Assemble from Anywhere

Assemble from Anywhere

It works from all platforms including Windows, Mac, Android and iOS. All files are processed on our servers. No plugin or software installation required for you..

Assemble Quality

Assemble Quality

Powered by Aspose.Email. All files are processed using Aspose APIs, which are being used by many Fortune 100 companies across 114 countries.

All Supported Assemblies

You can assemble data into reports in many file formats. Please see the list below.