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Office 365 Migration Cost: Microsoft Service, Plans Price & Process Explained 2025

Thinking of moving your business email to Microsoft 365 but not sure where to start—or how much it will cost? You’re not alone. Data migration is a crucial part of the overall process and can significantly impact the cost and success of your transition.

Many small businesses call us asking:
👉 “How much does it cost to migrate our email and files to Office 365?”

The answer? It depends. But we’ll help you understand what affects the cost, how the migration process works, and why choosing the right IT partner—like eSudo—can make all the difference.

💼 What Is Microsoft 365 (Office 365) and Why Should You Migrate?

What is Microsoft Office 365

Microsoft 365 is a suite of powerful, cloud-based tools that helps your team work smarter, stay secure, and collaborate from anywhere.

Your subscription can include:

✅ Outlook & Exchange Online (Email, Calendar, Contacts)

✅ Microsoft Teams (Collaboration and communication platform)

✅ Word, Excel, PowerPoint, OneNote (Office apps)

✅ SharePoint & OneDrive (File storage and sharing)

✅ Intune Mobile Device Management (MDM)

✅ Microsoft Defender for Endpoint (Cybersecurity)

✅ Azure Active Directory (Identity & access management)

📦 For most small businesses, the Microsoft 365 Business Premium plan offers the best balance of productivity and security.

💼 Why Businesses Should Migrate to Microsoft 365 (Office 365)

Switching to Microsoft 365 from providers like GoDaddy, Google Workspace, Intermedia, or legacy email systems isn’t just a tech upgrade—it’s a strategic business decision.

Effective training and tailored programs are crucial for increasing user adoption, ensuring that employees can fully utilize new features and enhance collaboration while transitioning to the cloud environment.

Here’s why:

✅ 1. All-in-One Productivity Platform

Microsoft 365 integrates email, calendars, file sharing, video conferencing, and Office apps like Word and Excel—all in one secure platform. No more jumping between tools or vendors.

Additionally, file shares in Microsoft 365 facilitate user access to personal and departmental files, making it easier to organize and manage documents for both individual and organizational use.


🔒 2. Enterprise-Grade Security

Built-in features like:

  • Multi-Factor Authentication (MFA)

  • Email encryption

  • Data Loss Prevention (DLP)

  • Microsoft Defender for Endpoint
    keep your data safe and help meet compliance requirements.

Google and GoDaddy often lack these advanced security layers unless you pay extra.


☁️ 3. Cloud-Based Flexibility

Access your email, files, and meetings anytime, anywhere, on any device. Microsoft 365 is designed for hybrid and remote work environments.


🔁 4. Automatic Updates & Reduced IT Overhead

Never worry about upgrading email servers or managing outdated software. Microsoft 365 handles updates, patching, and backup—reducing your IT burden.

Additionally, server sync technology ensures that your data remains synchronized and up-to-date, enhancing the reliability and efficiency of your email system.


👥 5. Improved Collaboration

With Teams, SharePoint, and OneDrive, employees can chat, co-edit documents, and share files in real-time—improving workflow and communication across departments.

Proper planning and execution of a migration project are crucial to ensure successful collaboration and mitigate potential challenges.


💸 6. Better Long-Term Value

While some providers offer cheap email hosting, they lack integration, security, and scalability. Microsoft 365 gives you:

  • Predictable monthly costs

  • Consolidated tools

  • Reduced downtime and IT issues


🧩 7. Future-Proof Your Business

As technology evolves, Microsoft continues to invest in innovation—AI tools, automation, and workflow integrations. You’re building on a platform designed for what’s next, not what’s cheap now.


🛠️ Bonus: Easier IT Management

IT teams can manage users, security, and devices from a single dashboard using Microsoft 365’s Admin Center and Intune.

Microsoft Office 365 Most Popular Plans for Small Businesses

Features Summary Business Basic Business Standard Business Premium Office 365 E5
Monthly Cost with Annual Commitment $6.00 per user $12.50 per user $22.00 per user $38.00 per user
Email and Calendaring Included Included Included Included
Email Storage Space 50 GB Mailbox 50 GB Mailbox 50 GB Mailbox 100 GB Mailbox
File Storage & Sharing 1 TB 1 TB 1 TB 1 TB
Desktop Office Apps (Outlook, Word, Excel, PowerPoint & more) Only Web Apps Up to 5 devices on local machine (desktop or laptop) Up to 5 devices on local PC & cloud PC Up to 5 devices on local PC & cloud PC
Group Chat / Collaboration / Web Meeting Teams (Voice & Video Calls) Teams (Voice & Video Calls) Teams (Voice & Video Calls) Teams (Voice & Video Calls)
Mobile Device & Security Apply Mobile & PC Security Policies Apply Mobile & PC Security Policies
Advanced Security for email & files Threat Protection
Protect Data Loss or Copying; Restrict Apps & Locations
Threat Protection
Protect Data Loss or Copying; Restrict Apps & Locations
Business Phone System Add-On Add-On Add-On Include Audio Conference (no calling plan)
Users Up to 300 Up to 300 Up to 300 Unlimited

⚙️ Why Choose eSudo for Your Office 365 Migration?

We’ve helped thousands of users move to Microsoft 365 from providers like:

  • GoDaddy

  • Google Workspace (Gmail, G Suite)

  • Intermedia

  • Kerio

  • POP3 / IMAP

  • On-premise Exchange and legacy servers

With over 24 years of experience supporting Microsoft technologies, eSudo knows how to handle complex migrations with care.

We offer various migration models, including cutover migration, a straightforward method for transferring all data in a single operation, and staged migration, which allows for transferring data in smaller batches.

Why businesses trust eSudo, according to our clients:

  • 🛠️ Zero-downtime migrations

  • 🔐 Security-focused configuration

  • 📄 Clear Scope of Work with no surprises

  • 💲Competitively priced and Competent in our process
  • 🚀Seamless Transition to move to Microsoft 365
  • 💁‍♀️ Local, friendly, and live support team (not a call center!)

  • ✅ Microsoft Partner with real-world expertise

We don’t just “lift and shift” your email—we ensure everything is secure, organized, and tailored for long-term success.

💰 What Impacts Your Office 365 Migration Cost?

Here are the biggest factors that influence your migration budget:

  1. Number of Users and Mailboxes: More users = lower cost per mailbox

  2. Current Email Setup: Google Workspace, GoDaddy, Kerio, Exchange, etc.

  3. Mailbox Size: Mailboxes over 25GB take longer and may need cleanup

  4. Devices: Laptops, mobile devices, and tablets that need configuration

  5. Add-Ons: Active Directory sync, password management, MDM, compliance setup

  6. Migration Challenges: Migrating from on-premises servers to Microsoft 365 can present unique challenges that may impact the overall cost.

📝 We always provide a detailed Scope of Work (SOW) outlining:

  • What’s included (mailbox setup, calendar/contact migration, mobile devices, etc.)

  • What’s not included (e.g., Teams, SharePoint, or Intune setup unless specified)

📦 Migration Process: What’s Included or What to Expect?

Our step-by-step migration process ensures a smooth transition with no data loss:

  1. Discovery & Assessment: Review your current email setup, apps, and user count

  2. Planning & Licensing: Recommend the best Microsoft 365 plan for your needs

  3. Mailbox Migration: Secure transfer of emails, folders, and contacts

  4. Testing & Validation: Ensure everything works properly before go-live

  5. Post-Migration Support: Troubleshooting, training, and best practices

🧑‍💻 We also review:

  • CRM or apps that send email (e.g., scanners, copiers)

  • External logins (e.g., Okta, Duo Security)

  • Single Sign-On (SSO) setup with Active Directory via Azure AD Connect

Options Option 1
Without email migration
Option 2
With email migration and PC setup
Option 3
With email migration, without PC setup
Migration Cost (20 users minimum) - price range per user:
Actual Cost may vary depending on the customer requirements
$50-75 per user $200-275 per user $100-200 per user
  • Assessment and documentation of current customer email environment and provide list of email address types
  • Basic Setup and Configuration of Office 365 Tenant
  • Email Domain Configuration and Public DNS MX Setup
  • Email Address Setup on Office 365 Exchange
  • Recommendation of Office 365 Plan and Monthly Cost
  • Instructions for Customer how-to configure email on computer and mobile device
  • Migration of Email messages from Current Mail Server (ex. In-House Exchange Server or Google G-suite)
  • Migration of Contacts or Address Book from Current Mail Server
  • Remote Technical Support
Hourly
  • Migration of Calendar or Events from Current Mail Server
  • PC Setup - Outlook Email Client setup on Customer Windows or macOS
  • Mobile Device - Outlook Email Client setup on Customer Mobile Device
Hourly Hourly
License Purchase / Management Available Available Avaiable
Post-Technical Support after Migration to Office 365 go live 7 days 30 days 14 days

⚠️ Can You Do It Yourself?

Migrating to Microsoft 365 isn’t just about moving emails. It involves transferring calendars, contacts, files, permissions, devices—and ensuring nothing breaks in the process.

Google Drive is a commonly used platform for transferring and storing data in cloud environments, making it a key player in discussions about cloud storage services and data migrations, and whether data should be migrated to Microsoft OneDrive.

If you’re thinking about doing it yourself, here’s what you need to know:


🔧 Tools You Can Use to Migrate to Microsoft 365

Microsoft provides several tools to help with migrations, depending on your current setup. But each comes with its own learning curve and limitations:

1. Microsoft 365 Migration Wizard

  • Ideal for small migrations from Gmail, GoDaddy, or IMAP email servers.

  • Limited support for calendars, contacts, and folder structure.

  • Basic tool with minimal error handling.

2. Exchange Admin Center (EAC) – Cutover/Staged Migrations

  • Used to migrate from on-premise Exchange servers (2007, 2010).

  • Technical knowledge of DNS, MX records, and hybrid deployment required.

  • Best suited for businesses with fewer than 150 mailboxes.

3. Exchange Online PowerShell

  • Command-line tool for advanced tenant-to-tenant or hybrid migrations.

  • Can automate tasks but requires PowerShell scripting skills.

  • Mistakes can cause data loss or service disruption.

4. Microsoft FastTrack (For 150+ seats)

  • Free service from Microsoft but only available for large accounts.

  • Limited to general guidance—not hands-on support or customization.

5. Third-Party Tools (e.g., BitTitan MigrationWiz, SkyKick, CodeTwo)

  • Offer advanced migration features like scheduling, detailed reporting, and delta sync.

  • Require licensing fees and setup expertise.

  • Still need IT knowledge to use safely and effectively.

One effective strategy is hybrid migration, which distributes data and services between on-premises and cloud deployments, catering to organizations with compliance constraints or internal policies preventing a full cloud transition.


⚠️ Risks of Migrating to Office 365 Yourself

While Microsoft makes migration possible, it doesn’t make it easy. Without experience, you may run into costly mistakes that affect your team and operations.

❌ 1. Email Downtime

If DNS settings or MX records are misconfigured, your email could stop working during business hours, causing communication blackouts.

❌ 2. Data Loss or Corruption

Incorrect settings or unsupported file types can result in missing messages, incomplete folders, or broken attachments.

❌ 3. Security Misconfigurations

Migrating without proper tenant configuration means you could skip essential security steps like:

  • Multi-Factor Authentication (MFA)

  • Role-based access control (RBAC)

  • Secure mobile device policies Leaving your organization vulnerable to phishing, ransomware, and data leaks.

❌ 4. Compatibility Issues

Your CRM, accounting software, copier, or scanner may stop sending emails if SMTP/relay settings aren’t updated post-migration.

❌ 5. Overwhelmed Internal Staff

Your internal IT person may be excellent, but migration requires careful coordination, testing, and troubleshooting. It often pulls staff away from their core responsibilities.


✅ Why Partnering with eSudo is the Safe, Smart Move

At eSudo, we’ve migrated thousands of mailboxes from:

  • Google Workspace (Gmail, G Suite)

  • GoDaddy Office 365

  • On-prem Exchange

  • Intermedia, Kerio, and POP3/IMAP platforms

We handle everything from discovery and planning to licensing, migration, testing, and post-launch support.

With 24+ years of experience, we don’t just move your email—we make sure your entire Microsoft 365 environment is secure, efficient, and ready to scale with your business.

🎯 Get It Done Right the First Time

Avoid stress, downtime, and frustration. Let our team handle your Office 365 migration the right way—so your team can keep working without interruption.

👉 Schedule your free Office 365 Migration Assessment

Or call us at 408-216-5800 to speak with an expert.

 

Trusted by Small Businesses for Over 24 Years
Your email is the backbone of your business. Don’t leave it to chance. Partner with a team that puts security, reliability, and service first.

Related Articles & Case Studies:

Google Workspace to Microsoft 365 Migration – Case Study

Kerio POP3/IMAP Email to Microsoft Office 365 – Case study –

Law firm migration to cloud story case study – eSudo.com

Microsoft Office 365 for Google Apps (G-suites) User –

 

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