Migrate from BigRock to Office 365: Secure Email Migration
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Written By
Aradhya Jain -
Approved By
Shivam Rathore -
Updated on
September 18th, 2025 - Read Time
5 minutes
User Query: I am using the BigRock email service for my company. Now, we are switching to Microsoft 365 for better security and collaboration. How can I migrate from BigRock to Office 365 without losing emails, contacts, and attachments?
Summary: BigRock email is a good solution for small businesses. But as your team grows, you may need better tools. Microsoft 365 (Office 365) offers Outlook, Teams, OneDrive, and SharePoint for seamless collaboration. Migrating emails from BigRock to Office 365 can look difficult if you don’t know the process. This blog will show you step-by-step methods to migrate BigRock Email to Office 365. We’ll explain both the manual IMAP migration method and an easy automated solution using DRS Softech IMAP Backup Tool.
Quick Answer: Email Migration from BigRock to Office 365
You can transfer emails from BigRock to Office 365 using IMAP migration or a professional migration tool. The IMAP method works for small mailboxes but takes time. A tool like DRS Softech IMAP Backup Tool offers a quick, secure transfer of all mailboxes with folders and attachments.
Simple Steps to Migrate from BigRock to Office 365
- Initially, download the DRS Softech IMAP Email Backup Tool.
- Enter your IMAP credentials, such as ID & Password, to Sign In.
- Then, preview and select the emails that you want to convert.
- Choose the Office 365 Saving Format from the given list.
- Further, enter its credentials and use advanced features.
- Lastly, click Start Process to initiate the migration.
Real-Life Scenario: Move Emails from BigRock to Office 365
Ozen runs a digital agency and has used BigRock email service for years. His team expanded, and they required a centralized platform for communication and file sharing. Ozen used the DRS IMAP Backup Tool and migrated all BigRock mailboxes to Office 365. His team started using Outlook and Teams simultaneously, without any data loss.
Method 01: Manually Migrate from BigRock to Office 365
You can migrate manually by using Microsoft’s Data Migration Service. Here is how you can perform it:
- Firstly, log in to Microsoft 365 Admin Center.
- Now, verify your BigRock domain using a TXT record.
- Then, create Office 365 user accounts for your team.
- After that, enable IMAP access in BigRock email settings.
- Next, to Setup → Data Migration in Admin Center.
- Further, choose IMAP and enter BigRock server details:
- IMAP Server: imap. bigrock.in
- Port: 993
- Security: SSL
- In the end, enter user credentials and start migration.
Limitations of Manual Migration
- It requires manual setup for every user.
- Migration speed depends on mailbox size.
- Contacts and calendars need separate export/import.
- Moreover, time-consuming for large organizations.
Method 02: Use a Tool to Migrate from BigRock to Office 365
The DRS Softech IMAP Backup Tool makes migration simple and fast. It supports bulk migration of multiple BigRock mailboxes to Microsoft 365 in one go. With its simple interface, this tool makes it more reliable and relevant for many users. This utility maintains the original data formatting, structure, and metadata during the entire process. You can easily migrate IMAP to Office 365 and other file formats with no data loss.
One-Time BigRock to Office 365 Migration
If you only need to perform this migration once, you can share your mailbox details with our support team. We will migrate your emails safely to Office 365 without downtime. This service is quick, secure, and cost-effective.
Step-by-Step Guide to Move Emails from BigRock to Office 365
- First, launch the DRS Softech IMAP Email Backup Tool on your PC.
- Now, enter your BigRock details, such as ID & Password, to Sign In.
- Then, you can cross-verify and select the emails to migrate. Click Next.
- After that, choose Office 365 from the available Saving Format.
- Further, enter your Office credentials, like ID and Password, to Sign In.
- In the end, use advanced features/filters and click Start Process.
Why Choose DRS Softech IMAP Backup Tool?
- Easy-to-use interface, no technical skills required.
- Migrates emails with attachments and metadata.
- Supports multiple source email platforms.
- Saves time compared to manual migration.
- Furthermore, offers a free demo to test before full migration.
Conclusion
In this technical blog post, we explored two effective methods to migrate from BigRock to Office 365. Migrating from BigRock to Office 365 doesn’t have to be complex. You can use the manual IMAP method for small mailboxes or save time with the professional tool for bulk migration. This ensures a safe transfer of all emails, folders, and attachments to Office 365 without data loss. In addition, download the trial version of this tool to understand its features and performance.
Frequently Asked Questions
Ans: You can migrate using Microsoft’s Data Migration Service (manual method) or use a professional tool like DRS Softech IMAP Backup Tool for a faster and easier process. The tool allows bulk migration with attachments and folder structure.
Ans: Yes, but contacts and calendars require a separate export/import process. You can export them from BigRock webmail in CSV or ICS format and then import them into Microsoft 365.
Ans: Yes. With a tool like DRS Softech IMAP Backup Tool, you can migrate multiple user mailboxes in one go, saving time and effort.
Ans: The time depends on mailbox size and internet speed. Small mailboxes take just a few minutes, while large mailboxes may take several hours.
Ans: Yes, a professional tool keeps the original folder structure and email formatting intact, ensuring no data is lost or misplaced.
