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If you’re a Rackspace user, you may have been affected by the recent cyberattack that caused a massive outage on their Exchange Server. As per the last update, Rackspace recommends that users migrate their emails to Microsoft 365 & even offer free licenses until their servers are back online. It can be a confusing task for those unfamiliar with the migration process, especially when dealing with OST files. Don’t worry, as we will guide you through the process of migrating from Rackspace Hosted Exchange OST files to Microsoft 365 so that your emails will be accessible without any hassle.

Method 1: Migrate Rackspace Hosted Exchange OST File to Microsoft 365 via EAC

The Exchange Admin Center (EAC) is the most viable platform for executing this transition. Here are steps to follow when migrating:

  1. Prepare your existing Rackspace environment
    Before migrating to Microsoft 365, it’s crucial to review Rackspace so that the data is optimal for the migration. This step includes reviewing mailboxes, distribution lists, contacts & user accounts, as well as securing all necessary permissions for access.
  2. Obtain the Rackspace server details
    To initiate the migration process, you need the details of the Rackspace server hosting your mailboxes. Navigate to your Rackspace account & obtain this vital information. Specific login steps to locate the details may vary depending on the Rackspace email account type.
  3. Select a suitable Microsoft 365 license plan
    Choosing the right Microsoft 365 license plan that suits your organizational needs is vital before starting the migration. Understand the features, capabilities & costs & choose the plan that best fits your organization’s requirements.
  4. Create the Migration endpoint & migration batch.
    Connect to Exchange Online & set up a migration endpoint via the PowerShell cmdlets. An endpoint is a location that Exchange Online uses to communicate with the on-premises or hosted Exchange organization. Create a migration batch with a CSV file & define the source email account & its password, target email account & other relevant settings. After verifying the endpoint, start the migration batch.
Method 2: Archive service subscription

Firstly, it is important to note that you can easily retrieve your emails if you have subscribed to Rackspace’s Archive service. The archive feature is functional & not impacted by this outage. Here are the steps to retrieve your emails using the Archive service.

  • Sign in to the Archive Manager with your user credentials.
  • Go to Domains & tap on Email Archiving.
  • Choose your domain & tap on Manage My Archive.
  • After successful sign-in, look for the archive you wish to access.
  • Lastly, you need to download the archive in the OST format & import it to Office 365.

But what if you want to migrate from OST to Office 365 automatically? Well, the solution lies with the Kernel for OST to PST Converter – an exceptional tool specifically designed to cater to the problematic scenarios that render access to old emails challenging.

This converter offers many benefits, including freely converting 25 items from each OST folder to PST & the ability to convert OST to PST without Exchange Server connectivity or profile requirements.

Using Kernel for OST to PST converter

Now, if you want to use this OST to PST Converter, here’s how to proceed:

  • Firstly, access the tool & browse to select single or multiple OST files.select single or multiple OST files
  • Once you’ve chosen the OST file from its location, the process will begin & you can view its content in the preview pane.preview pane
  • After selecting the content, choose the Office 365 option as the output type.choose the Office 365 option
  • Apply the required filters like From, To, Subject, Folder Name, Item Type & Date Range to get the specific data you need.Apply the required filters
  • Finally, provide your login credentials & click on the Finish button to start the automatic migration process.click on the Finish button

Wrapping up

After considering the risk factors associated, it is safe to say that automation offers a less cumbersome & more reliable way to migrate emails from Rackspace Hosted Exchange OST files to Microsoft 365. Kernel for OST to PST Converter helps you migrate large files without any loss of data & also facilitates multiple file conversion in batches. Moreover, its user-friendly interface adds an extra layer of convenience for users.

That is why switching from Rackspace-hosted exchange OST file to Microsoft 365, you should use this best OST to PST Converter software. Therefore, now that the reason for switching & the perfect tool are known go ahead & make a successful transition from your old to your new email domain without any hassle or risk.

Kernel for OST to PST Converter
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