How To Migrate Pegasus Mail to Office 365 with Attachments?

Written By
Shivansh Shukla

Updated on
December 9th, 2025

1 minute Read
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Summary: As the businesses expand, employees require flexible email access across locations. Pegasus Mail has limited remote capabilities, which becomes an inconvenience. To resolve this issue, it is best to migrate to a reliable cloud-based platform. Hence, the most practical solution is to migrate Pegasus Mail to Office 365. Office 365 provides full cloud-based accessibility. In this post, we’ll unveil the top methods for Pegasus Mail to Office 365 migration. Besides this, a dedicated IMAP Backup Tool is used for a quick and hassle-free migration.

User-Query:
I’ve been using Pegasus Mail for years, and now my company is moving to Office 365. What is the correct method to migrate all my Pegasus Mail folders, emails, and attachments into my new Office 365 mailbox without losing any data?

Reasons to Transfer Pegasus Mail to Office 365

One of the best reasons to migrate to Office 365 is to reduce the maintenance and operational costs. Below given we have provided compelling reasons to do this migration:

  • With Pegasus Mail, accessing emails remotely can be challenging. Migrating to Office 365 removes this limitation.
  • Businesses switch to Office 365 to use integrated collaboration tools. This will enhance the overall productivity.
  • Pegasus email offers only the basic security protocols. Whereas Office 365 minimizes the security risks with its robust security measures.
  • Users switch to Office 365 to seek a future-proof email system that ensures scalable storage.
  • Unlike Pegasus Mail, Office 365 is independent of the hardware, software installation, and local maintenance.

Manual Way to Migrate Pegasus Mail to Office 365

It involves two steps to migrate the Pegasus Mail to an Office 365 account. First, export the Pegasus emails as EML files. Then, import the .eml files into Office 365.

Let’s look at the steps to begin the migration process:

Step 01: Export Emails as .eml

  1. Open Pegasus Mail and select the emails you wish to migrate.
  2. Then, right-click on the selected email(s).
  3. Choose Save As > EML and pick a destination folder to save the emails.

Step 02: Transfer Pegasus to Office 365 Account

  1. Now, launch MS Outlook.
  2. Log in with your Office 365 Email ID and Password.
  3. After that, Outlook will automatically sync the emails through the Exchange Protocol.
  4. Once the setup is completed, the Office 365 mailbox will appear inside Outlook.

Drawbacks of the Manual Method

  • It takes a significant amount of time to convert Pegasus Mail to Office 365.
  • This email migration does not preserve the original folder structure. Users have to manually create the folders.
  • A few of the EML fields will not be mapped correctly, leading to loss of metadata.
  • Also, migrating hundreds of Pegasus emails to Office 365 will cause performance issues in Outlook.
  • Large or complex attachments and embedded images may not be imported properly.

Simple Software to Migrate Pegasus Mail to Office 365 with Attachments

Effortlessly migrate your Pegasus emails to Office 365 with the MacSonik IMAP Backup Tool. It delivers authentic, fast, and secure email migration. The batch processing capability of the software allows migration of multiple accounts. Also, throughout the migration, it ensures that the data remains intact. Moreover, after the migration, it guarantees to preserve the original folder structure. With support for multiple export formats, it ensures flexible compatibility across different platforms.

Simplified steps to migrate from Pegasus mailbox to Office 365:

  1. Launch the application on the system.
  2. Proceed by clicking Continue and then selecting either Single or Batch Mode.
  3. After that, input the Pegasus Mail account credentials.
  4. Click Login. Then, expand the hierarchical structure, mark the folders, and preview them.
  5. Next, choose the Email Client as Office 365 and authenticate it with the account credentials.
  6. Configure the optional filters and click Next to start the migration.

Also Read: Transfer Shaw Email to Gmail

Conclusion

The Pegasus Mail to Office 365 email migration enhances the overall productivity and improves security measures. The solutions discussed in the above blog are effective and reliable to migrate Pegasus Mail to Office 365. With the automated tool, MacSonik IMAP Backup Tool, users get the results quickly. The tool is user-friendly and is designed to fulfill both individual and business requirements.

Frequently Asked Questions

Q1- How to Import Pegasus Mail to Office 365 in Bulk?

Ans- To efficiently import Pegasus Mail to an Office 365 account in bulk, either do it manually or use an automated tool. The manual method involves email migration through the IMAP protocol. Whereas with the automated tool, it becomes easy, quick, and effortless.

Q2- Is it Possible to move specific emails from Pegasus Mail to Office 365?

Ans- While doing it manually, it is not possible to move only the selected Pegasus emails to Office 365. But with the help of an automated tool, migrating the specific emails can be done very easily.

Q3- Can I preview the data before migrating Pegsus to Office 365?

Ans- It depends on the method that you would choose to migrate Pegasus email to Office 365. The automated tool gives the preview option to check and verify the email content before migrating it to Office 365. But with the manual options, it is not possible.

About The Author:

Shivansh Shukla is a technical content writer who researches and provides reliable solutions to help users resolve their problems. He offers effective procedures for email migration, data backup, and file conversion for all technical and non-technical users.

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