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Data Migration Plan

Document template for Google Docs and Word

Make a copy in Google Docs
Type
Document
Price
Free
Pages
8 · US Letter
Style
Modern
Difficulty
Beginner
Updated
October 30, 2026

Every page (8)

Overview

Data migrations go wrong when scope is vague, cleansing is left until after the load, and nobody has agreed in advance what a good result looks like. This template puts scope, mapping, cleansing, trial loads, reconciliation and cutover on eight pages, so the sponsor, data owners and engineers sign the same plan.

The sample moves 24 million records across 38 tables from a legacy ERP to a cloud platform for Greystone Digital, with trial loads at 10%, 50% and full volume, a 10-hour cutover window and a rollback decision at hour 8. Replace the systems, volumes, thresholds and dates with yours.

Useful for

  • A project sponsor asking data owners to sign off scope, thresholds and the go or no-go criteria
  • A data engineering lead documenting field mapping, cleansing rules and trial load results for review
  • An operations team rehearsing the cutover weekend hour by hour, including the rollback decision

What's included

  • Scope page comparing what is in and out, with assumptions and an exclusions callout
  • Source and target page with volume trend, share of records by object and system notes
  • Mapping and trial load pages written as command references with parameters and example output
  • Cleansing page with a layered diagram of the quality gates and a record path to the target
  • Reconciliation page with load time, budget split and a table of results for each trial
  • Cutover Gantt with a 10-hour timeline and rollback callout, plus a Make it yours guide

How to use it

  1. 1

    Click Make a copy in Google Docs, then confirm on the Google page. The copy is saved to your own Google Drive.

  2. 2

    Replace the source and target systems with yours, and list the objects and record volumes in scope.

  3. 3

    Fill in the mapping and trial load commands with your real fields, then set the reconciliation thresholds your data owners will sign.

  4. 4

    Rewrite the cutover timeline with your freeze and cutover hours, and name the person who runs each task and makes the go or no-go call.

  5. 5

    Delete the Make it yours page, then share the plan with your sponsor and data owners or present it at your readiness review.

What you need

Requirements

  • A Google account with access to Google Drive

Works with

  • Google Docs
  • Microsoft Word (download the .docx)

Questions

Is this data migration plan template free to use?

Yes. Make a copy in Google Docs and edit it in your own Drive. You do not need to install anything or create an account beyond your Google account.

Are Greystone Digital and its figures real?

No. Greystone Digital, the people named and every figure, volume and date are fictional sample data, written to show what a controlled migration plan looks like.

What reconciliation threshold should we use?

The sample accepts a gap of 0.01% in row counts and requires balances to agree to the penny. Agree your own thresholds with data owners before the first trial load.

  • #data-migration
  • #cutover-plan
  • #system-migration
  • #data-cleansing
  • #reconciliation
  • #rollback-plan
  • #google-docs
  • #it-project

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