Google Workspace to Office.eu Migration: Complete Guide to Moving Email, Calendars, Contacts and Files Without Stopping the Business

Quick summary: migrating Google Workspace to Office.eu in 10 points

1. The goal is not just to leave Google: it is to build a more controlled, governable workspace aligned with the company’s digital strategy.
2. Office.eu is a European alternative: it is designed for organizations looking for more sovereignty, transparency and control over where their data lives.
3. The first step is inventory: users, mailboxes, groups, aliases, Google Drive, shared drives, calendars, contacts, critical documents and external permissions.
4. The migration should be phased: a small pilot, waves by department and the final cutover only when the new environment has been validated.
5. Email requires special care: Gmail, labels, folders, attachments, aliases, forwarding and rules must be reviewed before touching MX records.
6. Google Drive is usually the most delicate area: shared files, owners, public links, shared drives and native Google documents require specific decisions.
7. Not everything should be migrated “as is”: it is a good moment to archive, clean duplicates and organize permissions before moving chaos into the new environment.
8. Adoption matters as much as the technical work: users coming from Gmail, Drive, Docs and Calendar need a clear and supported transition.
9. The domain changes at the end: first test, migrate and validate; then update DNS, MX, SPF, DKIM and DMARC.
10. A partner reduces risk: MSAdvance helps plan, execute and support the migration with a technical, security and communication-focused approach.

When does it make sense to migrate from Google Workspace to Office.eu?

Not every organization needs to change platform. Google Workspace remains a very mature suite, especially for teams that work comfortably in Gmail, Google Drive, Docs, Calendar and Meet. However, there are scenarios where migrating Google Workspace to Office.eu can make a lot of sense.

Common scenarios

• Digital sovereignty: organizations that want to reduce dependence on non-European providers and prefer an alternative hosted and governed from Europe.
• Privacy and control: companies, associations, law firms, educational institutions or public sector entities that want greater clarity over where their data lives and how it is managed.
• Need for a more transparent environment: teams looking for tools based on open software, standards and a more understandable configuration model.
• Cost and technology dependency review: companies that want to assess whether their current suite fits their long-term strategy.
• Document work reorganization: when Google Drive has become hard to govern, with inherited permissions, external links and duplicated files.
• Cultural change: organizations that want to simplify their workspace and reduce the feeling that “everything lives somewhere different”.

Introduction: what really changes when moving from Google Workspace to Office.eu

Migrating from Google Workspace to Office.eu is not about replacing one screen with another. It means changing where the organization communicates, stores documents, shares files, schedules meetings and collaborates. That is why the project must bring together three perspectives: technology, security and people.

In Google Workspace, many users are used to Gmail, Drive, Docs, Sheets, Slides, Calendar, Meet and Chat. In Office.eu, the model is oriented toward a European workspace based on open components, with email, calendar, contacts, files, communication and document editing. The experience can be very positive if it is prepared properly, but it should not be presented as “the same thing with another logo”.

The key is to manage expectations: what migrates automatically, what requires review, which workflows change and what each user profile needs to learn. When this is communicated well, the migration stops being a threat and becomes an improvement.

1. Methodology and project governance

In practice: a Google Workspace to Office.eu migration must be predictable, measurable and understandable for IT, management and users.

The methodology that works best is phased. First, understand the current environment; then test with a small group; then migrate in waves; and finally stabilize. Skipping the pilot may look faster, but it usually creates more incidents later.

Recommended phases

1. Discovery: inventory of users, email, Drive, calendars, contacts, groups, domains, integrations and external permissions.
2. Destination design: Office.eu structure, users, groups, storage, sharing, security and communication.
3. Pilot: migration of a small but representative group, with real users and real data.
4. Waves: progressive migration by department, office or user type.
5. Cutover: DNS update, email validation, final communication and intensive support.
6. Stabilization: review of incidents, permissions, adoption and closure of the source environment when appropriate.

2. Assessment: Google Workspace inventory before migration

In practice: before moving anything, you need to know what exists, who uses it, what is critical and what can be left out.

A good assessment reduces surprises. Google Workspace often grows organically: users create documents, external sharing expands, shared drives multiply, team calendars appear, groups, aliases and rules are created and later forgotten. If you migrate without reviewing this, those problems appear in the new environment.

Questions to answer during the assessment

• Which users must be migrated and which should be archived or blocked?
• Which shared drives are actually used and which are historical?
• Which files are shared with customers, suppliers or personal accounts?
• Which calendars are critical for daily operations?
• Which data must be retained for legal or regulatory reasons?
• Which integrations depend on Google accounts or Google Workspace APIs?

3. What can be migrated and what must be reviewed manually

In practice: not everything travels in the same way. Email, calendars, contacts and files can be migrated, but permissions, links and complex documents require validation.

Office.eu provides a migration path from Google Workspace that allows data to be moved from the source account into the new environment. Even so, any real migration must validate the scope by data type and business need.

4. Users, domains, groups and identity model

In practice: if identities are poorly designed, the migration will feel like a failure even if the data has been copied.

Before moving email or files, define how users will look in Office.eu: names, addresses, aliases, groups, permissions and functional accounts. This point is usually more important than it appears, because it affects daily access and user trust.

Key decisions

• Primary address: which email address each user will have after the migration.
• Aliases: which secondary addresses must be kept to avoid missing messages.
• Groups: which Google Groups are recreated as groups or lists in Office.eu.
• Functional accounts: info@, support@, billing@, hr@ and other shared accounts.
• Inactive users: what is migrated, what is archived and what is blocked.

Identity map

The practical output should be a simple table:

GoogleEmail,OfficeEUEmail,Name,Department,Status,Notes


[ana@company.com](mailto:ana@company.com),[ana@company.com](mailto:ana@company.com),Ana Perez,Finance,Active,Pilot user
[sales@company.com](mailto:sales@company.com),[sales@company.com](mailto:sales@company.com),Sales,Commercial,Functional,Shared account
[former.user@company.com](mailto:former.user@company.com),[archive.user@company.com](mailto:archive.user@company.com),Former User,Archive,Archived,Do not enable login

5. Migrating Gmail to Office.eu: email, labels, attachments and aliases

In practice: email is the most visible workload. If it fails, everyone notices the migration.

Migrating Gmail to Office.eu must be carefully planned because email remains a critical tool for customers, suppliers and internal operations. The goal is to copy historical messages correctly and make the transition of inbound mail with the least possible impact.

What to review before migrating Gmail

• Mailbox size: users with large mailboxes may need more time.
• Gmail labels: decide how they will be represented at the destination.
• Filters and rules: document important filters before the change.
• Aliases and forwarding: confirm alternative addresses and redirects.
• Delegations: review assistants, shared mailboxes or functional accounts.
• Spam and security: adjust anti-spam protection, SPF, DKIM and DMARC in the new environment.

How to reduce email risk

1. Run a pilot migration with real mailboxes.
2. Validate folders, attachments, search and reading from different devices.
3. Migrate in waves before changing MX records.
4. Reduce DNS TTL sufficiently in advance.
5. Change MX only when users, data and support are ready.

6. Migrating calendars and contacts from Google Workspace

In practice: calendars do not seem critical until management, sales or support cannot coordinate a meeting.

Calendars and contacts are often treated as secondary, but they are essential for users to feel continuity. An incomplete migration can cause missed meetings, duplicated contacts or resources that can no longer be booked correctly.

What to review in calendars

• Personal user calendars.
• Team-shared calendars.
• Room, resource or vehicle calendars.
• Edit, read and delegation permissions.
• Recurring meetings and events with external guests.

What to review in contacts

• Personal contacts for critical users.
• Corporate directory.
• Distribution lists and groups.
• Duplicates and old contacts.

During the pilot, it is worth testing real cases: create a meeting, invite an external guest, share a calendar with a colleague, search for a frequent contact and validate mobile synchronization.

7. Migrating Google Drive and shared drives to Office.eu

In practice: Drive is often the most sensitive part of the migration because it combines files, permissions, links and working habits.

Google Drive may contain years of work: personal folders, shared drives, critical documents, duplicated files, public links and permissions granted to customers or personal accounts. Migrating it without organizing it can move the problem into Office.eu.

What to inventory in Google Drive

• My Drive: documents owned by specific users.
• Shared drives: team spaces that usually contain operational documentation.
• Owners: files from users who have left or suspended accounts.
• External permissions: customers, suppliers, collaborators and public links.
• Critical documents: contracts, procedures, legal documentation, finance, HR and management.

Decisions before migrating Drive

• Which folders are migrated and which are archived.
• Which shared drives are reorganized before the move.
• Which external links must be recreated in Office.eu.
• Which permissions are inherited and which are reviewed from scratch.
• Which documents must be exported in editable format and which in PDF for retention.

8. Documents, spreadsheets and presentations: compatibility and expectations

In practice: simple documents usually migrate well; complex documents need real testing.

One of the most visible changes when migrating from Google Workspace is document work. Users come from Google Docs, Sheets and Slides, with browser editing, comments, history and simultaneous collaboration. Office.eu also offers document editing and collaboration, but real use cases should be validated before making promises.

What to test before rollout

• Documents with comments and suggestions.
• Spreadsheets with complex formulas.
• Presentations with fonts, images and corporate design.
• Internal templates.
• Files shared with external users.
• Documents edited in parallel by multiple people.

How to manage expectations

The question is not “is Office.eu identical to Google Docs?”. The useful question is: “do our critical documents work well in the new workflow?”. To answer it, choose a set of real documents and test them during the pilot.

9. Replacing Google Chat and Google Meet: communication and meetings

In practice: not every conversation history needs to be migrated, but you must decide what to retain and how people will work after the change.

Many organizations use Google Chat and Google Meet informally: quick conversations, document links, internal meetings, customer meetings and project groups. When moving to Office.eu, it is important to define the new communication model.

Important decisions

• Which communication channels will be used for internal conversations.
• How meetings and video calls will be organized.
• Whether chat history will be retained for legal or audit reasons.
• How documentation will be shared during meetings.
• Which alternative will be communicated to customers and suppliers.

In most companies, the sensible approach is not to try to migrate every conversation, but to retain what has legal or operational value and start with clear rules in the new environment.

10. Coexistence: how to keep working during the migration

In practice: the migration should not force the company to stop.

A well-designed coexistence model allows the team to keep working while data is copied, mailboxes are validated and the cutover is prepared. The principle is simple: the old environment remains available while Office.eu is verified as ready for operations.

Coexistence best practices

• Keep Google Workspace operational during the pilot.
• Do not change MX records until email has been validated in Office.eu.
• Clearly define which users are in the pilot and which remain in Google.
• Avoid editing critical documents in two places without control.
• Communicate which actions should be avoided during the change window.

11. Domain and DNS cutover: MX, SPF, DKIM and DMARC

In practice: the DNS change is the visible moment of the email migration. It should happen at the end, not at the beginning.

The corporate domain is what connects the outside world to your email. During a migration from Google Workspace to Office.eu, the MX change must be planned carefully. If it is changed too early, it can generate bounces, mail loss or user confusion.

Recommended sequence

1. Verify the domain in Office.eu.
2. Prepare users, aliases and functional mailboxes.
3. Configure SPF, DKIM and DMARC according to the new provider’s recommendations.
4. Reduce DNS TTL sufficiently in advance.
5. Migrate and validate pilot mailboxes.
6. Change MX records when the environment has been tested.
7. Monitor delivery, bounces, spam and user feedback.

# MX


MX @ → mail server indicated by Office.eu

# SPF

TXT @ "v=spf1 include:authorized-provider -all"

# DKIM

CNAME selector._domainkey → value indicated by the provider

# DMARC

TXT _dmarc "v=DMARC1; p=quarantine; rua=mailto:dmarc@company.com"

Real values must always come from the official configuration of the service and the specific domain. Example records should never be copied without validation.

12. Security, privacy and compliance

In practice: moving to Office.eu is often motivated by control, privacy and sovereignty. That must be reflected in the final configuration.

One of the most common reasons for considering Office.eu is the search for a European workspace with greater transparency and control. But sovereignty is not achieved simply by changing provider: permissions, access, retention, external sharing and internal processes must also be configured correctly.

Controls worth reviewing

• User access: passwords, two-factor authentication, recovery and privileged accounts.
• External sharing: who can share, with whom and for how long.
• Encryption: validate secure connections and data encryption where applicable.
• Retention: which data must be retained and what can be deleted.
• Audit: access logs, activity and relevant changes.
• Data leakage protection: rules for sensitive information, especially in files and email.

If the company belongs to a regulated sector, legal, compliance or data protection teams should be involved from the assessment stage, not at the end. It is better to review requirements before moving data than to discover a missed obligation during cutover.

13. Migration tools and methods

In practice: the tool matters, but the design matters more. A poor strategy is not fixed by a good “migrate” button.

A Google Workspace to Office.eu migration can combine several methods depending on the type of data, the size of the organization and security requirements.

14. User adoption and communication

In practice: if users do not understand the change, the migration will feel worse than it really is.

Moving from Google Workspace to Office.eu affects daily habits: searching email, sharing files, creating documents, scheduling meetings, opening links and working from mobile. Adoption must be planned just like the technical work.

What to communicate before the migration

• Why the platform is changing.
• Which data will be migrated and which will not.
• What users must do before the change.
• How to access Office.eu.
• Where to find email, files, calendars and contacts.
• Who to ask for help during the first few days.

Useful materials

• Quick guide: “Where is now what I used to use in Google”.
• Short access and first-steps video.
• Checklist for pilot users.
• Internal FAQ with real questions.
• Support channel during go-live.

15. KPIs, validations and acceptance criteria

In practice: a migration does not end when the copy finishes; it ends when the business can work without friction.

Validation must be performed by the business, not only IT. A finance owner must test finance files; sales must review customer contacts and emails; management must validate calendars and critical documents.

16. Common risks and how to mitigate them

In practice: almost every serious problem can be anticipated if it is reviewed before cutover.

17. Operational checklists

17.1 Before migrating

• Inventory users, aliases, groups and functional accounts.
• Inventory Gmail: sizes, filters, labels and forwarding.
• Inventory Drive: My Drive, shared drives, owners and external permissions.
• Review calendars, resources and contacts.
• Define pilot and key users.
• Prepare communication and support plan.
• Prepare DNS plan: MX, SPF, DKIM and DMARC.

17.2 During the migration

• Run the pilot and validate critical data.
• Migrate through controlled waves.
• Record errors and repeated patterns.
• Communicate status to users and area owners.
• Avoid uncontrolled changes in already migrated folders.

17.3 After cutover

• Validate inbound and outbound email.
• Review access to critical files.
• Confirm calendars and contacts.
• Support priority user incidents.
• Review external permissions.
• Define when the Google Workspace environment will be closed or archived.

18. Frequently asked questions about migrating Google Workspace to Office.eu

19. Official resources and external links

• Office.eu — Migration to Office EU
• Office.eu vs Google Workspace
• Office.eu — Official FAQ
• Google Workspace — Export all your organization’s data
• Google Workspace — Choose the data you want to export
• Google Account Help — Download your Google data
• Google Drive API — Shared drives overview

You can also explore related MSAdvance services: contact, services, modern workplace and cloud and Microsoft 365 migrations.

20. Conclusion and next steps

A Google Workspace to Office.eu migration can be a strategic decision to gain control, sovereignty, transparency and a way of working that is better aligned with the organization. But for it to work, copying data is not enough: permissions must be reviewed, users prepared, critical documents validated, DNS planned and the change supported.

The recommended next steps are:

• Run an assessment of the Google Workspace environment.
• Choose a representative pilot.
• Define what will be migrated, archived and reorganized.
• Prepare the new Office.eu environment.
• Communicate the change clearly to users.