Free Assembly App for Creating Outlook Emails

Create new emails online with free web Assembly app. Assemble data in EML, MSG, OST, MBOX or PST 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 email files 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 share or download the result email message.

Assembly App is a free app provided by Aspose.Email, which is a secure, powerful and fast emails & message archives processing library for creating email files. Have a closer look at Aspose.Email documentation to get more details on how to use it.

Please, feel free to check our powerful Cloud SDKs. With Email Cloud SDKs you will get a fast, secure and reliable way to process emails without any software installed.

In case you are interested, also take a look at all Aspose.Email products.

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

Aspose.Email Assembly

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

How to Assembly an Email file

  • At first stage Click inside the file drop area to upload an email template file or drag & drop an email template file. For additional information press "Help" button.
  • Then click "Next" button for go to second stage
  • Click inside the file drop area to upload a datasource file or drag & drop an datasource file.
  • Type Data Source table name in text box. For additional information press "Help" button.
  • Then click "Next" button for go to last stage
  • Click "ASSEMBLY" button to assembly your email.
  • Your document will be assembled and you will be able to download or view it. You can also send a link to your assembled document to your email address.
  • Note that file will be deleted from our servers after 24 hours and download links will stop working after this time period.
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.


  • ❓ How can I assemble data in Email file?
    With Aspose.Email Assembly you can load a template & fill it with data from a data source. First, you need to add a file: drag & drop your template file or click inside the white area to choose a file. Then upload a data-source file. Then click the "Assemble" button. When processing of Email file is completed, you can download your result file.
  • 🗂 What email formats can I assemble to?
    Email Assemble works with MSG, PST, OST, MBOX, EML files.
  • 🛡️ Is it safe to assemble Emails using free Aspose Assembly?
    Of course! The download link of result files will be available instantly after assemble. We delete uploaded files after 24 hours and the download links will stop working after this time period. No one has access to your files. Aspose.Email Assembly is absolutely safe.
  • 💻 Can I assemble Emails on Mac OS, Android or Linux?
    Yes, you can use free Aspose.Email Assembly on any operating system that has a web browser. Our Email Assembly app works online and does not require any software installation.
  • ✅ Can I use Aspose.Email Assembly in my projects?
    Absolutely! Aspose.Email provides a high-performance API. Using Aspose.Email you can convert, view, edit and process emails in the way you need. You can use one of its SDKs on your platform or use Email Cloud approach, which is safety, fast and reduces the load on your system.

All Supported Assemblies

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