Home » Blog » Data Migration » Exchange to Office 365 Migration – Several or All-in-One Way?
Data Migration

Exchange to Office 365 Migration – Several or All-in-One Way?

Ugra Narayan Pandey | Published: November 20th, 2021 | 6 Minutes Reading

It is important to plan the Exchange to Office 365 migration before actually implementing it. You should always have a plan before moving data from any platform so that you know each and every detail and cross-check everything before executing the process.

When Office 365 was launched by Microsoft in June 2011, a large amount of vertical switched to the web-based email client from the on-premises email servers.

All types of organizations, be it small, medium, or large, started moving towards the platform and are still migrating.

Since cloud-based services are more flexible and secure, users prefer to migrate from Exchange to Office 365.

This task is a difficult one where you should have the prior technical expertise to perform the process successfully.

Various organizations, sometimes, postpone or cancel migrating to Microsoft 365 due to the complications involved and not the right kind of support provided.

Here, you will find out about the methods for migration that are widely known. Along with that, we will be explaining a safe technique to cover up the task.

Solution for an Easy & Successful Exchange to Office 365 Migration

If you have a reliable tool by your side, there is nothing else that you need to export all the data from your account and move it over to Office 365.

One such tool is the Exchange On-Premise to Office 365 Migration Tool built with algorithms to make a difficult procedure with technicalities an easy one for novice users.

Download Now Buy Now

The tool has a plethora of features that you can apply for a more accurate migration along with your needs being fulfilled.

Find out more about these features in the next section.

Functions of the Software to Migrate from Exchange to Office 365

  • Selective data transfer via Date-Range & Category-Based Filters
  • Migration from Exchange Sub-Domain mailboxes to the target
  • Option to migrate newly received data without duplicity error
  • Concurrent Migration to export mailboxes in batches simultaneously
  • Set priorities to choose an order for early transfer of certain mailboxes
  • Run the migration for failed items or perform the entire task again
  • Compatible with Windows OS 10 & Windows Server 2016 & 2012

Once you understand the features, let’s find out how they fit in the process for Exchange to Office 365 migration.

Steps to Migrate Exchange On Premise to Office 365 are;

Step 1. Download and install the software. Navigate to the Setup option and choose the Source as Exchange and Destination as Office 365.

exchange to office 365 migration

Step 2. In the same window, move to the Workload Selection section and mark the items that you want to migrate. Click on the Date-Filter option to set a time period for selective migration.

select items

Step 3. In the Source Window, enter the details for the Exchange server to migrate from Exchange to Office 365 and Validate the permissions.

enter exchange credentials

Step 4. Now, enter the admin credentials for Office 365 and press the Validate button to assign the right permissions. Click on the Next button.

enter office 365 account credentials

Step 5. Then, choose the Fetch Users option to automatically add the user ids or select the Import Users option to insert a CSV containing the IDs.

fetch users

Step 6. Make sure to set the priorities for order and click on the Start Migration button.

migrate exchange to office 365

The procedure will be completed in a few minutes and you can easily view the data in Microsoft 365 mailbox.

Read More: Migrate Exchange Server to Exchange Online

Are There Any Manual Methods for Exchange to Office 365 Migration?

There are three methods that can be used to transfer the data directly. Remember, these techniques require additional planning, preparation, and permissions.

Take a look at the workarounds:

  • Cutover Migration: This type of migration method allows you to export less than 2,000 mailboxes in a single shot. The cutover migration supports Exchange versions 2003, 2007, 2010, & 2013.
  • Staged Migration: The staged migration procedure can transfer more than 2,000 mailboxes in batches over a certain period of time. You can migrate data from Exchange 2003 & 2007 versions.
  • Hybrid Migration: To migrate from Exchange to Office 365 for 150 – 2,000 mailboxes, you can easily configure the two platforms and make a hybrid platform. This migration works with Exchange 2010 and 2013 versions.

These methods are useful and can be executed if you have the technical expertise required for this Exchange On-Premise to Office 365 migration method.

Drawbacks of the Manual Techniques for Migration

  • These manual solutions might take up a lot of time to complete the procedure and lead to an extended downtime due to the complicated steps involved.
  • If you do not want a method for Exchange to Office 365 migration which requires technical expertise, these are not suited for you.
  • There might occur errors that can lead to data-loss situations since it is a lengthy and complicated method and even one wrong step can cause a lot of trouble.
  • You cannot migrate data from mailboxes according to a certain time-period for selective transfer.

This pretty much covers up all the methods and the disadvantages of using the manual methods.

Let’s look at the common issues that might be faced during the migration.

Commonly Faced Issues to Migrate from Exchange to Office 365

We know the methods for Exchange On-Premise to Office 365 migration but as mentioned above, the procedure can be risky.

Given below are the errors that can be encountered:

  • There might be corruption and stability issues in the Exchange environment
  • You might face a server downtime
  • Slow network connections and time-wastage can be faced
  • If the firewalls, CAS servers, & proxy devices are not configured correctly, it can lead to connectivity issues.
  • Issues with the policy compliance.

There can be a lot of other errors if you have no idea about the technical expertise involved with the manual methods.

To Summarize

The manual methods for Exchange to Office 365 migration are not easy and can lead to a lot of troubles if the requirements are not fulfilled. You can take assistance from the experts but it won’t work successfully if you do not have even a bit of technical knowledge.

The software mentioned here is a relatively easier technique that is not hard to understand. The tool can easily migrate Exchange On Premise to Office 365 in bulk without making any changes to the structure or the data integrity.