What is migrated?

Google Workspace Migration for Microsoft Exchange

Google Workspace Migration for Microsoft Exchange (GWMME) migrates email, calendar, or contact data from Microsoft Exchange, an IMAP server, or a PST file to your Google Workspace account. Consider the following data and whether it's migrated, when you're setting up a migration to Google Workspace with GWMME.

Migration status of source data

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Email
Supported email features Notes
Email messages All email messages in top-level folders are migrated. A top-level folder is any folder that is at the same level as your inbox folder.

You can also choose to migrate email to Google Vault.

Email state, such as read or unread  
Deleted items Migration is optional. Deleted items are labeled Trash in Gmail.
Folders Folders map to labels in Gmail. You can exclude specific top-level folders from a migration by individually selecting them. If you exclude a folder, its subfolders are also excluded.

Folders with folder paths longer than 225 characters aren’t migrated. The messages inside the folders are also not migrated.

When you set up your migration, you can exclude specific top-level folders. For details, go to Chapter 6 of the GWMME Admin Guide.
Junk email Migration is optional. Junk email is labeled Spam in Gmail.
Public folders You can migrate content from public folders to Google Groups. For details, go to Migrate public folders.
Large messages & attachments Most attachments are migrated, except when the message plus attachment is larger than 25 MB, or when Gmail blocks certain types of file attachments, such as executable files. For details, go to File types blocked in Gmail.
Message flags Flags appear as stars in Gmail.
Shared mailboxes Shared mailboxes migrate as regular mailboxes. You can turn on Gmail delegation after the migration. For details, go to Turn Gmail delegation on or off.
Subfolders How a subfolder migrates depends on its location:
  • Subfolder in a default folder—If the subfolder is under an Exchange mailbox default folder (such as Sent Items, Drafts, or Deleted Items), the subfolder doesn’t migrate as a nested label. Instead, it’s nested under the default folder name preceded by an underscore (for example, _Inbox/Financial).
  • Subfolder under other folders—Migrates in a nested state (for example, Financial/Q1 Invoices).

 

Unsupported email features Notes
Posts in mailbox folders  
Importance levels of messages  
Rules Rules (both server and client) aren’t migrated but you can create equivalent filters in Gmail.
Signatures Signatures aren’t migrated but you can recreate them in Gmail.
Category definitions or assignments  
Calendar
Supported calendar features Notes
Default calendar, including events, descriptions, attendees, event reminders, and locations If you’re using an exported or archived PST file, all calendars are migrated as Other calendars instead of as the default calendar. You can avoid this by using an Exchange server migration for importing calendars. For details, go to Migrate data from Exchange.
Calendar events A warning message appears in the log file if you import events for users who aren’t the original organizer or initial attendee for the event. However, the event successfully migrates and the target user is shown as an attendee of the event in Calendar.
Other calendars Other calendars are migrated for the owner, but not for other users who have access.
Free or busy status  
Calendar resources Use a comma-separated value (CSV) file to migrate calendar resources (such as meeting rooms). You can also use the file to change event attendees’ email addresses to Gmail email addresses. For details, go to Create a mapping CSV file.

 

Unsupported calendar features Notes
Rich content in event descriptions Rich text descriptions aren't imported. In Microsoft Outlook 2016, descriptions are converted to plain text.
Tentative or Out of Office status Any special status for calendar data is not migrated.
Calendar attachments  
Category definitions or assignments  
Contacts
Supported contacts features Notes
Personal contacts Includes all fields
Notes Notes in contacts are migrated as plain text. Notes larger than 16 KB are truncated.

 

Unsupported contacts features Notes
Contact folders Separate contact folders don’t migrate. Instead, all contacts from all folders are migrated. You can reorganize them using labels.
Contact groups or personal distribution lists Contact groups or personal distribution lists don’t migrate. You can send an email to a list from Google Workspace by creating a group using the Admin console.
Global domain contacts Domain contacts appear in the Global Address List (GAL) in Microsoft Active Directory. To import these contacts, you must use a different product. For details, go to About Google Cloud Directory Sync.
Other types of data

Unsupported features

  • Notes
  • Tasks
  • Journal entries
  • RSS feeds


Google, Google Workspace, and related marks and logos are trademarks of Google LLC. All other company and product names are trademarks of the companies with which they are associated.

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