Guide

SaaS migration checklist: switch tools without losing data

Updated Oct 14, 2026 · By the SaaSSwapper editors

Two to four weeks before

  1. Confirm your renewal date and notice period, and whether the plan is refundable.
  2. List everything that connects to the tool: integrations, Zapier/Make zaps, embedded links, email signatures, website widgets.
  3. Export everything: data (CSV/JSON), files, recordings, signed documents, audit logs. Store a copy outside both tools.
  4. Pick an owner and a cut-over date. Tell the team what changes and when.

Cut-over week

  1. Set up the new tool: users, permissions, SSO/2FA, templates.
  2. Import data, then spot-check 10 records end to end.
  3. Rebuild automations and integrations, then test them.
  4. Swap links: booking pages, forms, meeting links, support email forwarding.
  5. Run both tools in parallel for 1-2 weeks where it's practical.

After

  1. Downgrade or cancel the old tool before renewal. Keep a read-only or export copy if you'll need history (accounting, e-signatures).
  2. Remove the old tool's access tokens from other apps.
  3. Put the new tool's renewal date in the shared calendar.
  4. Check in with users after 30 days: what's missing?

Frequently asked questions

How long does a SaaS migration take for a small business?

Simple tools (forms, scheduling, passwords) take hours to a day. Chat, project management and CRM take one to two weeks. Accounting and email suites can take a month or more.

Should we run two tools at once?

Yes, briefly (1-2 weeks), for anything people use every day.

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