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The Microsoft to Google Migration Checklist: 5 Workflows To Rebuild on Day 1

IT Ops Automation

You’ve migrated 1000s of users. The emails are syncing, the files are populated in Google Drive, and the calendar invites are showing up. Is the job done? Not exactly!

The Microsoft-to-Google Migration Checklist

Table of Contents

After you migrated users, calendars, emails and files —technically, the Microsoft to Google migration is a “success”.  But what about the Invoice Approval flow that Finance uses every single day? If your email works, but your Finance team can’t pay vendors because the approval routing is stuck in a Power Automate flow that no longer exists, business stops.

The most common fear for IT leaders during a Microsoft-to-Google migration isn’t “Did we lose an email?”, it’s “What business logic did we break?”

This guide provides a pragmatic, actionable roadmap to ensure business continuity. We’re looking beyond simple data migration to process migration, prioritizing five most common workflows you’d need to rebuild in a new productivity environment.

The "Big 5" Critical Workflows: A Rebuilding Guide

When you switch environments away from Microsoft, you aren’t just changing email providers; you’re changing your automation engine.

Here is how to map your Microsoft automated processes to Google-first architecture using Zenphi.

1. Leave Request Approvals

The Upgrade: Instead of a static SharePoint list, use Zenphi to automatically calculate days remaining based on a Google Sheets lookup and update the shared Team Calendar instantly upon approval.

Video Guide: Leave Requests Approvals For Google Workspace — Sample Workflow

The #1 Workflow Automation Solution For Google Workspace Environment

Zenphi is the must-have solution for workflow automation in Google Workspace environment that enables your team to build granular automations, trigger processes from any event in Google Directory, Group, Workspace itself or Google Audit event, integrate your own scripts — all without the headache of debugging and maintaining code. 

2. Expense Approvals

The Upgrade: Approval workflows shouldn’t require logging into a portal. With Zenphi, you can assign an approval task to a manager (dynamically selected from Google Directory), set up the number of email reminders they will get and draft an escalation path — what to do in case the approval expiration date has passed. 

Video Guide: Automated Multi-Step Approvals In Google Workspace — Sample Workflow

3. Document Generation

The Upgrade: Zenphi’s Document generation feature replaces clunky plugins. You can dynamically insert client data into a Google Doc template using placeholders (Watch a 30-sec guide), handle conditional clauses (e.g., if State = CA, add privacy clause), and convert to PDF automatically. Also, multiple AI models are at your disposal to generate copy wherever needed.

Video Guide: Using AI For Document Generation In Google Workspace — Sample Workflow

30-sec Guide: Generating Documents From Google Doc Template Automatically

4. Onboarding Workflow

The Upgrade: This is your highest ROI workflow. A Zenphi flow can be triggered from  a “New Hire” form submission, from a Google Directory activity or from an event in your HRIS. It can proceed with creating  Google Workspace user, adding them to Groups, provision Drive folders, standardise signature, email their manager — all without IT touching the keyboard.

Video Guide: User Onboarding In Google Workspace — Sample Workflow

5. IT Ticketing & Helpdesk

The Upgrade: Zenphi allows you to build a self-service system for users to request Google Group creation, access to folders and assets, download Google Chrome extensions and more. Learn how Gordon Food Service IT team used Zenphi to build this automated system and reduced IT workfload by 86%. 

Case Study: Gordon Food Service Reduces IT Workload By 86% Using Zenphi-Driven Automation For IT Ticketing

CASE STUDY
Gordon Food Service Reduces IT Workload by 85% with Zenphi
Discover how one of North America's largest foodservice distributors automated Google Workspace admin tasks, slashed support tickets by 83%, and secured their environment with no-code workflows.

The "Day 1" Workflow Recovery Checklist

Before you flip the switch, run through this recovery guide to ensure your automation landscape is ready.

  • Inventory & Prioritize

    List all active Power Automate flows. Rank them by "Business Criticality." If the flow breaks, does the company lose money? If yes, it is a Priority 1 build. Get it working in a Power Automate alternative (like Zenphi) before the move.

  • Data Mapping

    Identify where your metadata lives now. You will likely be moving from SharePoint Lists or Excel on OneDrive to Zenphi Tables or Google Sheets.

  • Identity Mapping

    Your approvers are changing from AD identities to Google identities. Map your Active Directory Groups to Google Groups to handle permission management efficiently.

  • Trigger Re-assignment

    You must fundamentally change how flows start. You are moving from "When a SharePoint item is created" to "When a Google Form is submitted" or "When a row is added to a Sheet."

"In The Trenches" Migration Advice: 10 Lessons from 100s of User Migrations

Migrating large numbers of users and amounts of data teaches you lessons that official documentation often skips.

We talked to >100 IT Admins who have not only survived the process, but taken the necessary steps to thrive. Here are their top 10 tips:

1. Pre-Flight Cleanup

Force users to clean house before you migrate. Ask them to delete spam, empty trash, and most importantly, download and remove attachments larger than 25MB. Most migration tools have a hard limit here and will error out.

2. The "Zombie" Account Test

Don’t start with your CEO’s account. Reactivate an old/departed staff account and use it for test migrations. This reveals folder structure bugs and “large data” issues without disrupting active VIPs.

3. Exempt System Folders

Your migration tool will try to move everything. Manually configure it to skip system folders like “Junk,” “RSS Feeds,” and “Sync Issues” to avoid cluttering Gmail with useless labels.

4. The "Application Impersonation" Role

You do not need to reset user passwords to migrate their data. Ensure your Microsoft Admin account has the “Application Impersonation” role enabled; this grants backend access to all user inboxes for seamless transfer.

5. The Hidden Throttle (EWS)

This is the #1 cause of slow migrations. You must manually lift the EWS (Exchange Web Services) throttling policy in the Microsoft admin portal. Search for “EWS Throttling” in the help assistant, run the test, and select “Lift Policy Temporarily.”

6. Concurrency is Speed

It seems counter-intuitive, but migrating more users at once is faster. The Microsoft throttling limit (often 150MB) is per mailbox. Therefore, 100 concurrent migrations = 100x the aggregate throughput.

7. The "Point of No Return"

Once a batch migration starts, stopping it is messy. Avoid “stopping and starting” for different groups if possible. Commit to the batch to avoid “stuck” states.

8. The "99% Lie"

The tool will hit 99% and sit there. Do not cancel it. This is when the tool is applying labels and organizing folders. This “last 1%” can take days for users with complex folder structures.

9. Idempotency is Your Friend

If a migration fails or you need to re-run it, do it. The tools are generally idempotent… they check the source against the destination and will skip emails that already exist, only moving the missing items.

10. Patience is a Feature

A 500GB migration can take two solid weeks. The progress bar will move slowly. This is normal. Plan your “cutover” date accordingly.

Spotlight: Automating Employee Offboarding (A Zero-Touch Strategy)

While onboarding sets the stage, Offboarding users in Google Workspace is where security risks happen. It takes an average IT admin 45 minutes to manually offboard a user. With Zenphi, it takes 0 minutes.

You can build a single flow in Zenphi that executes these steps instantly upon an HR trigger (like a Google Form submission or an HRIS status change). These are the steps of the workflow you can automate in 10 minutes in Zenphi:

Video Guide: User Offboarding In Google Workspace — Sample Workflow With Zenphi

Ready to Rebuild?

Migration is the perfect time to audit your processes. Don’t just “lift and shift” your old, broken workflows. Rebuild them smarter, faster, and more securely in Google Workspace — with Zenphi!