Glossary · Switching

What Is Software Migration?

Updated Oct 28, 2026 · 5 min read

Software migration is moving your data, users and workflows from one system to another, for example from one CRM to a new one or from a rented tool to one you own. It includes preparing records, rebuilding connections, testing the destination and helping people work in the new system.

What Does a Software Migration Include?

Moving a file is not the same as moving a working business process. A migration needs to preserve the information, permissions and actions that people depend on. Start by naming the business outcome, such as handling a customer request without returning to the old application.

Inventory records, attachments, users, reports, integrations and automated workflows. Decide what must move, what can remain in a searchable archive and what should be deleted under your retention policy. Give each decision an owner so that an incomplete inventory does not become an unexpected cutover problem.

Migration is one part of switching costs, not a synonym for the entire commercial decision. Contract fees and overlapping subscriptions still need their own budget lines. Our Software Bloat Calculator helps organize the existing bills before the project scope is agreed.

Why It Matters to Software Buyers

A cheaper subscription does not deliver savings if the replacement cannot support daily work. Evaluate the destination against the tasks people actually perform, including reporting and exception handling. Compare alternatives in the relevant software categories before committing to a migration plan built around a product demonstration.

Buying another platform and commissioning a custom application create different operating responsibilities. A custom system needs a clear owner for maintenance, access control and recovery after launch. Use our Build vs. Buy Calculator to compare the longer-term options, and label your assumptions according to our methodology.

Renting remains sensible when the standard product meets the requirement and your team does not want to operate its own software. Migration should solve a named problem, not create a project merely because a different product exists. Write down the conditions under which staying would be preferable.

How Do You Plan a Software Migration?

Work back from the renewal date and the cancellation notice deadline, not just the day you want the new tool live. Leave room for a failed test, a corrected import and user training. If the available window is too short, negotiate transition access or narrow the scope before promising a full move.

  • Inventory the source system and name an owner for each dataset, integration and critical report.
  • Map old fields to new ones, including record identifiers, relationships, required values and permissions.
  • Run a trial migration with representative data, including duplicates, missing values and unusual records.
  • Train users on actual tasks, run both systems for a defined overlap where appropriate and agree which system accepts updates.
  • Reconcile the final import, switch the agreed workflows and preserve an accessible archive before closing the old account.

Write acceptance criteria before the trial begins. A record count alone cannot prove that customers are attached to the correct accounts or that finance can reproduce a report. Have business owners sign off on representative tasks and important totals.

How It Shows Up in Practice

When leaving HubSpot, separate ordinary records from activity history. Its official record export guide says record exports contain current property values and associations, while contact activities have separate export routes. Test the history your service or sales team needs instead of assuming a contact file contains everything.

A move between Slack workspaces also needs deliberate mapping. Slack's workspace import guide describes importing data from one workspace into another and making choices about users and channels. Rehearse those choices with administrators before treating an import as a finished collaboration environment.

Both examples illustrate why the source export and destination import must be tested together. Keep a written list of unsupported items and agree whether each needs rebuilding, archiving or removal. Do not silently drop a feature because it was absent from the first test file.

Where Do Software Migrations Go Wrong?

Messy source data becomes more expensive when mapping starts before anyone agrees on the meaning of each field. Clean duplicates, identify authoritative records and document conversion rules before the final load. Keep the original export unchanged so that a mistaken conversion can be investigated.

Broken integrations and missing reports can appear after a technically successful import. Test the full path from a new record through notifications, approvals and downstream accounting or reporting. Our guide to integration partner costs provides context for separating connector work from the main software bill.

Avoid shutting down the old system before the new reports and recovery process have been tested. Set a rollback trigger, name the decision-maker and explain how changes made during the overlap will be reconciled. Protect archives with access controls and retention rules rather than leaving an unowned folder of exports.

Should You Migrate All at Once?

A small, isolated tool may move in days, while a CRM or ERP with linked workflows can require weeks or months. Treat that as a scope-dependent planning distinction, not a delivery guarantee. Ask the delivery owner for milestones tied to tested data, rebuilt integrations and user acceptance.

A staged migration can reduce the size of each change, but it also creates temporary integration and ownership work. A single cutover can be simpler when data and workflows cannot be cleanly divided. Compare that trade-off with rip-and-replace, then choose the approach your team can test and support.

Close the project only after users can finish their work, required records are available and the old contract has been handled. Review the first operating cycle for missing reports or access problems. Assign an owner and correction deadline to each remaining issue rather than leaving the migration permanently half complete.

See It in the Data

Related Terms

Frequently Asked Questions

How long does a software migration take?

Small tools can move in days, while a CRM or ERP may take weeks to months depending on data, integrations and approvals. Ask for a schedule based on a tested inventory rather than a generic timeline.

What is the difference between data migration and software migration?

Data migration moves records between systems. Software migration also includes users, permissions, workflows, integrations, reports and the change in how people work.

Do you need to move all historical data?

Not necessarily. Decide what the new system needs for daily work and what can remain in a controlled archive, subject to retention and access requirements.

How do you avoid losing data during a migration?

Preserve the original export, test representative records and reconcile counts, relationships and important totals. Agree on a recovery process before the final cutover.

Should both systems run during a migration?

A short overlap can help with validation and training, but it needs a defined end date and clear rules for updates. Otherwise the two systems can develop conflicting records.

Sources

  1. Official record export guide (knowledge.hubspot.com)
  2. Workspace import guide (slack.com)