Find and Replace Sensitive Information in Email — Redact Emails Online

Find and replace text in contents, comments or metadata in MSG or EML files. Easily redact documents online — upload email, find text, and replace it.

  Case sensitive




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Aspose.Email Redaction App is a quick online emails editor, when you need to replace a certain word or phrase in the email without a need to install additional software. The app is good to use when you need to make a fast change in email file online from any device.

To edit email you just need to type the word to find and the word to replace and get the email edited. Also, you can use regular expression matching for searching the text. It is possible to choose where the text should be replaced: main content, metadata, comments or all together.

Email Redaction App is based on Aspose.Email, which is a powerful and secure emails & message archives processing library for emails redaction. Redact emails without Outlook, Thunderbird or G Suite installed. Have a closer look at Aspose.Email documentation to get more information on how to use it in your applications.

If you are developing a high-performance system or solution you can take a look at our Cloud approach. Email Cloud is a secure, fast and reliable Cloud API which allows you to create, merge, process, manipulate, send and receive messages and edit email files.

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 Redaction

Aspose.Email Redaction

  • Search and replace text in contents, comments or metadata in the email.
  • Find and replace text in Outlook, Gmail, Apple Mail, Thunderbird, eM Client, Mailbird and other email clients’ messages.
  • The app has a case sensitive search option.
  • Find and replace by regexp data matching.
  • Download or send output file as an email.
  • Search and replace text in EML, MSG

How to Redact an Email file

  • Click inside the file drop area to upload a document file or drag & drop a document file.
  • Type text or query for replacing
  • Setup search settings
  • Click on "REDACT NOW" button, file will be automatically uploaded to redact.
  • Download link of document file will be available instantly after redact.
  • You can also send a link to the document file 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 Redaction

Fast and Easy Redaction

Upload your document and click on “REDACT NOW” button. You will get the document file as soon as the redaction is performed.

Redact from Anywhere

Redact 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.

Redaction Quality

Redaction 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 replace text in Email files?
    With Aspose.Email Redaction you can search text to replace it in contents, comments or metadata. First, you need to add a file: drag & drop your Email file or click inside the white area to choose a file. Type text or regular expression you want to find and replace text. Choose options which you need: "Case sensitive", "Text", "Comments", "Metadata". Then click the "Redact" button. When processing of Email file is completed, you can download your result file.
  • 🗂 What email formats can I redact?
    Email Redaction works with MSG & EML files.
  • 🛡️ Is it safe to redact text in Emails using free Aspose Redaction?
    Of course! The download link of result files will be available instantly after redaction. 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 Redaction is absolutely safe.
  • 💻 Can I redact Emails on Mac OS, Android or Linux?
    Yes, you can use free Aspose.Email Redaction on any operating system that has a web browser. Our Email Redaction app works online and does not require any software installation.
  • ✅ Can I use Aspose.Email Redaction 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 Redaction file formats

You can redact many file formats. Please see the list below.