CodeTwo Exchange Migration vs imapsync

CodeTwo Exchange Migration8.3Visit imapsync7.8Visit

Higher score CodeTwo Exchange Migration #4 in Email Migration Software 8.3/10 30-day trial Free trial✓ 6 of 7 features Visit CodeTwo

vs

imapsync #11 in Email Migration Software 7.8/10 Free plan Free plan✓ 5 of 7 features Visit imapsync

• CodeTwo Exchange Migration fits best

  Exchange administrators needing staged workflows

• imapsync fits best

  Budget-conscious IMAP and tenant migrations

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Side by side

Feature	CodeTwo Exchange Migration 8.3/10 Visit ↗	imapsync 7.8/10 Visit ↗
At a glance
Editor score	8.3	7.8
Ranking	#4 in Email Migration Software	#11 in Email Migration Software
Best for	Exchange administrators needing staged workflows	Budget-conscious IMAP and tenant migrations
Pricing model	Paid	Free plan + paid
Starting price	—	€72 one-time
Free plan	—	✓ (best)
Free trial	30 days	—
Deployment	Self-hosted, Desktop	Cloud, Self-hosted, Desktop
Platforms	Windows	Web, Windows, macOS, Linux
Support	Email, Phone, Docs · 24/7	Email, Phone, Docs
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features CodeTwo Exchange Migration 6/7 · imapsync 5/7
Calendar migration	✓ (best)	—
Contacts migration	✓ (best)	—
Tenant-to-tenant moves	—	✓ (best)
Staged migration	✓	✓
Microsoft 365 support	✓	✓
Google Workspace support	✓	✓
IMAP support	✓	✓
Our review
Pros	Supports Exchange, Microsoft 365, IMAP, and Google Workspace migrations Handles mailboxes, public folders, archives, calendars, and contacts Includes staged, hybrid, delta, cross-forest, and cross-domain workflows	Incremental transfers preserve folders, flags, unread state, and avoid duplicates Runs on Windows, Linux, macOS, web, and self-hosted environments Supports bulk migrations, staged runs, OAuth2, and many IMAP platforms
Cons	Runs on Windows as a self-hosted application Microsoft 365 tenant-to-tenant migration is handled by a separate product The trial allows a maximum of 10 items per folder	Focused on mailbox synchronization rather than calendar or contacts migration The free online option is limited to migrations below 3 GB The core workflow is command-line oriented
Our verdict	CodeTwo Exchange Migration is a locally installed Windows application for moving mailbox and public-folder data to on-premises Exchange Server. It is intended for Exchange administrators managing migrations from Microsoft 365, on-premises… Read the review →	imapsync is a command-line utility for one-way transfers between compatible IMAP mailboxes. It is designed for administrators, consultants, and organizations moving or backing up email accounts, including tenant-to-tenant and staged… Read the review →

Strengths and trade-offs

• CodeTwo Exchange Migration — where it wins

  • Supports Exchange, Microsoft 365, IMAP, and Google Workspace migrations
  • Handles mailboxes, public folders, archives, calendars, and contacts
  • Includes staged, hybrid, delta, cross-forest, and cross-domain workflows

  Where it doesn't

  • Runs on Windows as a self-hosted application
  • Microsoft 365 tenant-to-tenant migration is handled by a separate product
  • The trial allows a maximum of 10 items per folder

• imapsync — where it wins

  • Incremental transfers preserve folders, flags, unread state, and avoid duplicates
  • Runs on Windows, Linux, macOS, web, and self-hosted environments
  • Supports bulk migrations, staged runs, OAuth2, and many IMAP platforms

  Where it doesn't

  • Focused on mailbox synchronization rather than calendar or contacts migration
  • The free online option is limited to migrations below 3 GB
  • The core workflow is command-line oriented

• CodeTwo Exchange Migration8.3/10 · 30-day trial

  A Windows-based migration tool for staged, hybrid, and cross-environment Exchange moves.

  Visit CodeTwoFull verdict →
• imapsync7.8/10 · Free plan

  A cost-conscious choice for staged, scriptable mailbox migrations across IMAP systems.

  Visit imapsyncFull verdict →