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ShareGate Migrate release notes

The release notes for the 10 most recent ShareGate Migrate releases


ShareGate Migrate 26.10.1

5 October 2026

What's new

  • We've added Teams private chat migration. Use the new Copy-Chat PowerShell command to copy 1:1 and group chats from a source tenant to a destination tenant, with full history, original senders, and original timestamps.

    • Available with PowerShell only, on ShareGate Migrate Pro and Enterprise subscriptions.

    • Run incremental copies to move only new messages, and use New-ChatCopyOptions to copy chats from a start date or from the last number of days.

    • Use Get-ChatUser, Export-UserMappings, and Import-UserMappings to find chat users and map them between tenants.

    • We've added a -CopyFeature parameter to Connect-MicrosoftOnline. Set it to ChatCopy to connect for Teams private chat migration.

What's fixed or improved

  • We fixed a bug that caused an error when you consented a tenant with no connections in the Explorer.

  • We resolved an issue that caused ShareGate Migrate to save a tenant consent request even when authentication failed.

  • We fixed an issue that caused Copy content to a SharePoint site in a US Government cloud (GCC High) tenant to end with a Bad Request error and be reported as cancelled, even though the content had been copied.


ShareGate Migrate 26.9.5

28 September 2026

What's new

  • We've added an in-app migration report for Copy mailboxes. Track progress, errors, and warnings live in ShareGate Migrate, with issues grouped by type across mailboxes. You can also export the results for a single mailbox, a single issue group, or the whole migration. See Copy mailboxes - In-app migration report for details.

What's fixed or improved

  • We fixed an issue that caused a destination web part to be deleted and not restored when copying customized list forms to a site with custom scripting disabled.

  • The External users report no longer misses guests whose destination access comes only from Team or Microsoft 365 group membership if they haven't visited the SharePoint site.

  • We fixed an issue that caused Person and Group values to be left empty when copying to Microsoft 365 in Insane mode, if the destination site still held a leftover entry for a user whose account had since been deleted or disabled. The original value is now preserved, the same way it already was when no such entry existed at the destination.


ShareGate Migrate 26.9.4

22 September 2026

What's new

  • Coexistence is now available for Copy mailboxes. Turn it on to keep mail flowing to users who haven't migrated yet during a phased migration, with an optional outbound disclaimer on their outgoing mail. See Copy mailboxes - Mail coexistence for details.

What's fixed or improved

  • We fixed an issue that caused copying a modern site page with a People web part to fail with the error Object reference not set to an instance of an object. This could happen with pages duplicated using SharePoint's Copy to feature that were never reopened and republished.

  • We fixed an issue that caused copying a Teams channel's OneNote tab to fail with an error, leaving the notebook not properly linked at the destination.

  • We changed how ShareGate Migrate handles pasted images in Rich Text emails during In-Place Archive and group mailbox copies. These attachments previously failed with an unexpected error. The attachment is now skipped without blocking the rest of the copy, and a warning is reported.


ShareGate Migrate 26.9.3

14 September 2026

What's fixed or improved

  • We updated the OpenSSL libraries used by ShareGate Migrate's sensitivity label support (the Preserve source labels and Add destination labels options for SharePoint and OneDrive migrations) from version 3.4.5 to 3.4.7 to avoid vulnerabilities in the older release.


ShareGate Migrate 26.9.2

8 September 2026

What's new

  • We've added a -NoUserAvatarInMessages parameter to New-TeamCopyOptions, so you can migrate Teams channel messages without user avatars when using Copy-Team, Copy-TeamChannel, or Copy-TeamIncremental.

What's fixed or improved

  • We fixed an issue that caused ShareGate Migrate to fail to launch when a local connection settings file was corrupted or empty.

  • We fixed an issue that caused copy jobs to hang and stop showing progress when another active job in the same migration couldn't connect to its SharePoint site.


ShareGate Migrate 26.9.1

1 September 2026

What's fixed or improved

  • We fixed a bug that caused a PowerShell-driven copy to briefly show as Canceled in the Tasks list right after starting, even though the copy was running normally.

    • We also fixed the copy report that showed an End date before the copy had finished.

  • We fixed a bug that occasionally caused the mailbox Copy options screen to render blank.

  • We fixed a bug that caused Check Permissions to fail with the error CR-078-000 when filtering results by a principal that the directory couldn't resolve, such as Everyone except external users, All users, or a deleted user when connected with Modern authentication.

  • Scheduling a daily or weekday task for 11:59 PM no longer crashes the app on startup.


ShareGate Migrate 26.8.4

21 August 2026

What's fixed or improved

  • Copy identities now offers a unified planning experience: select your source and destination tenants from a single view, then review and adjust identity mappings before running the migration.

  • We've added a tooltip that appears on the source connection screen when you've connected a source but haven't selected a destination yet, for both Copy mailboxes and Identities Copy (Entra ID).

  • We fixed an issue that caused the entire contents of a folder to be skipped during a copy with custom permissions if the destination rejected one of the folder's item-level permissions.

  • We improved the error message you see when ShareGate Migrate can't determine whether a data upgrade is required and, as a precaution, blocks PowerShell commands.


ShareGate Migrate 26.8.3

17 August 2026

What's fixed or improved

  • We fixed a bug that caused the mapping warning banner to undercount identities with multiple warning statuses with Copy identities.

  • We fixed a bug that caused the user data upgrade prompt and the sign-in prompt to stack on top of each other after a credentials cache was restored, leaving both unresponsive.

  • We fixed a bug that caused SharePoint Online copies to fail with the error The server responded with an unexpected data type when a site used a custom field type.

  • We fixed a bug that caused copying a Microsoft Teams private channel to fail with an error when the channel had 16 or more non-owner members.


ShareGate Migrate 26.8.2

11 August 2026

What's new

  • You can now convert Gmail labels to Outlook categories or folders with Copy from Gmail.

  • You can now copy to a destination folder with Copy from Gmail. You can copy a Gmail mailbox to a specific folder instead of the root of your Exchange destination mailbox.

  • We've added separate Users and Groups tabs to the identity mapping screen in Copy identities, so you can navigate each type independently.

  • You can now click into any group or shared mailbox in Copy identities to view its member list, owner breakdown, and licensing status before running the copy.

  • We added a confirmation message to the Save button in Copy identities so you know when your changes are saved.

What's fixed or improved

  • We fixed an issue that caused the + Add buttons next to Administrators and Owners in Explorer to remain greyed out when you used the select-all checkbox without first selecting a site collection.

  • We've optimized the app to make ShareGate's startup time considerably faster.

  • We fixed an issue that caused two loading indicators to appear after launch instead of one.

  • We fixed an issue that caused a Failed to create attachment false-positive error during incremental mailbox migrations.

  • We fixed an issue that caused ShareGate Migrate to send unnecessary network requests, which slowed down group mailbox migrations.

  • We fixed an issue that caused some migratable mailboxes to appear unselectable in the mailbox selection and mapping screens with blank Size and Last copied on columns.

  • We fixed a mailbox issue that caused the Copy options screen to freeze and gray out after the Settings dialog was closed with the X button.


ShareGate Migrate 26.8.1

3 August 2026

What's fixed or improved

  • We fixed an issue that caused attachments stored at the root of the source site's document library, instead of in a subfolder, not to be copied to the destination, and no error appeared in the migration report when copying Planner plans.

  • We fixed a bug that caused Migrate startup issues, including failing to load prompts.

  • We resolved an issue that caused copying a Gmail filter with no actions to fail with the error Object reference not set to an instance of an object.

  • We fixed a bug that caused renaming a scheduled task to fail with a schema version error while an app update was pending.

  • We corrected a behavior that caused resuming a recent copy session to fail with the error Object reference not set to an instance of an object.

  • We fixed an issue that caused the -UseConnection PowerShell parameter to prompt for sign-in on every site instead of reusing a browser-based connection.

  • We resolved an issue that caused a Gmail message you sent to yourself and later archived to be skipped with no warning after a Copy from Gmail operation.

  • Sign in through browser is now available at all times on the Mailbox Copy connection screen. Previously, it only appeared after Sign in with Microsoft failed.


ShareGate Migrate 26.7.5

27 July 2026

What's fixed or improved

  • We fixed the description for the Migrate emails into a subfolder option in Copy mailboxes. It previously said labels weren't included, which was misleading since categories and labels on migrated messages are preserved.

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