check before: 2026-02-01
Product:
Exchange
Platform:
Online, World tenant
Status:
Change type:
Admin impact, Feature update, Updated message
Links:
Details:
Summary:
Exchange Online PowerShell cmdlets will update output formats for certain database-related properties starting February 2026, completing by April 2026. This change improves performance and consistency but only affects Exchange Online, not on-premises. No user action is required unless scripts parse these values.
Details:
Updated February 6, 2026: We have updated the content. The scope of the change remains unchanged. Thank you for your patience.
We're updating the output format of certain properties returned by Exchange Online PowerShell cmdlets to improve performance and align with backend service optimizations. This change reduces unnecessary data retrieval and enhances consistency across services.
[When this will happen:]
Rollout will begin in February 2026 (previously October 2025) and complete by April 2026 (previously November 2025).
Change Category:
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Scope:
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Release Phase:
Created:
2025-07-04
updated:
2026-02-07
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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summary for non-techies**
Starting in February 2026, Exchange Online will update the format of certain database-related properties in PowerShell cmdlets to improve performance and consistency, requiring script adjustments if they rely on the old format.
Direct effects for Operations**
Change in Output Format
The output format of certain properties returned by Exchange Online PowerShell cmdlets will change, potentially breaking existing scripts that parse these values.
- roles: IT Administrators, Developers
- references: https://techcommunity.microsoft.com/t5/exchange-team-blog/updated-changing-output-format-for-some-database-properties-in/ba-p/3741230
Script Compatibility Issues
Scripts that rely on the previous output format may fail or produce incorrect results, leading to potential disruptions in automated processes.
- roles: IT Administrators, DevOps Engineers
- references: https://techcommunity.microsoft.com/t5/exchange-team-blog/updated-changing-output-format-for-some-database-properties-in/ba-p/3741230
Configutation Options**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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change history
| Date | Property | old | new |
| 2026-02-07 | MC Messages | Updated January 28, 2026: We have updated timelines for enforcement. The scope of the change remains unchanged. Thank you for your patience.
We're updating the output format of certain properties returned by Exchange Online PowerShell cmdlets to improve performance and align with backend service optimizations. This change reduces unnecessary data retrieval and enhances consistency across services. [When this will happen:] Rollout will begin in February 2026 (previously October 2025) and complete by April 2026 (previously November 2025). | Updated February 6, 2026: We have updated the content. The scope of the change remains unchanged. Thank you for your patience.
We're updating the output format of certain properties returned by Exchange Online PowerShell cmdlets to improve performance and align with backend service optimizations. This change reduces unnecessary data retrieval and enhances consistency across services. [When this will happen:] Rollout will begin in February 2026 (previously October 2025) and complete by April 2026 (previously November 2025). |
| 2026-02-07 | MC Last Updated | 01/28/2026 18:28:51 | 2026-02-06T19:03:32Z |
| 2026-02-07 | MC prepare | No action is required. There are no settings or controls to manage this change. If you have scripts that parse these property values, we recommend reviewing them to ensure compatibility.
The complete list of cmdlets impacted is as follows: Cmdlet Output Type Add-DistributionGroupMemberMicrosoft.Exchange.Data.Directory.Management.ReducedRecipient Get-DistributionGroupMemberMicrosoft.Exchange.Data.Directory.Management.ReducedRecipient Get-FederatedOrganizationIdentifier Microsoft.Exchange.Data.Directory.Management.FederatedOrganizationIdWithDomainStatus Get-Mailbox Microsoft.Exchange.Data.Directory.Management.Mailbox New-MailboxMicrosoft.Exchange.Data.Directory.Management.MailboxPlan Get-MailboxPlanMicrosoft.Exchange.Data.Directory.Management.MailboxPlan Get-MailUserMicrosoft.Exchange.Data.Directory.Management.MailUser New-MailUser Microsoft.Exchange.Data.Directory.Management.MailUser Get-RecipientMicrosoft.Exchange.Data.Directory.Management.ReducedRecipient Add-RoleGroupMember Microsoft.Exchange.Data.Directory.Management.ReducedRecipient Get-RoleGroupMember Microsoft.Exchange.Data.Directory.Management.ReducedRecipient New-SyncMailPublicFolderMicrosoft.Exchange.Data.Directory.Recipient.ADPublicFolder The affected properties for each Output Type are as follows: Output TypeProperty Microsoft.Exchange.Data.Directory.Recipient.ADPublicFolderDatabase Microsoft.Exchange.Data.Directory.Recipient.ADPublicFolderHomeMTA Microsoft.Exchange.Data.Directory.Management.FederatedOrganizationIdWithDomainStatusDelegationTrustLink Microsoft.Exchange.Data.Directory.Management.MailboxDatabase Microsoft.Exchange.Data.Directory.Management.MailboxPreviousDatabase Microsoft.Exchange.Data.Directory.Management.MailboxDisabledArchiveDatabase Microsoft.Exchange.Data.Directory.Management.MailboxMailboxMoveTargetMDB Microsoft.Exchange.Data.Directory.Management.MailboxMailboxMoveSourceMDB Microsoft.Exchange.Data.Directory.Management.MailboxMailboxMoveTargetArchiveMDB Microsoft.Exchange.Data.Directory.Management.MailboxMailboxMoveSourceArchiveMDB Microsoft.Exchange.Data.Directory.Management.MailboxPlanDatabase Microsoft.Exchange.Data.Directory.Management.MailboxPlanPreviousDatabase Microsoft.Exchange.Data.Directory.Management.MailboxPlanDisabledArchiveDatabase Microsoft.Exchange.Data.Directory.Management.MailboxPlanMailboxMoveTargetMDB Microsoft.Exchange.Data.Directory.Management.MailboxPlanMailboxMoveSourceMDB Microsoft.Exchange.Data.Directory.Management.MailboxPlanMailboxMoveTargetArchiveMDB Microsoft.Exchange.Data.Directory.Management.MailboxPlanMailboxMoveSourceArchiveMDB Microsoft.Exchange.Data.Directory.Management.MailUserDisabledArchiveDatabase | No action is required. There are no settings or controls to manage this change. If you have scripts that parse these property values, we recommend reviewing them to ensure compatibility.
The complete list of cmdlets impacted is as follows: Cmdlet Output Type Add-DistributionGroupMemberMicrosoft.Exchange.Data.Directory.Management.ReducedRecipient Get-DistributionGroupMemberMicrosoft.Exchange.Data.Directory.Management.ReducedRecipient Get-FederatedOrganizationIdentifier Microsoft.Exchange.Data.Directory.Management.FederatedOrganizationIdWithDomainStatus Get-Mailbox Microsoft.Exchange.Data.Directory.Management.Mailbox New-MailboxMicrosoft.Exchange.Data.Directory.Management.MailboxPlan Get-MailboxPlanMicrosoft.Exchange.Data.Directory.Management.MailboxPlan Get-MailUserMicrosoft.Exchange.Data.Directory.Management.MailUser New-MailUser Microsoft.Exchange.Data.Directory.Management.MailUser Get-RecipientMicrosoft.Exchange.Data.Directory.Management.ReducedRecipient Add-RoleGroupMember Microsoft.Exchange.Data.Directory.Management.ReducedRecipient Get-RoleGroupMember Microsoft.Exchange.Data.Directory.Management.ReducedRecipient New-SyncMailPublicFolderMicrosoft.Exchange.Data.Directory.Recipient.ADPublicFolder The affected properties for each Output Type are as follows: Output TypeProperty Microsoft.Exchange.Data.Directory.Management.MailUserMailboxMoveSourceArchiveMDB Microsoft.Exchange.Data.Directory.Management.MailUserMailboxMoveSourceMDB Microsoft.Exchange.Data.Directory.Management.MailUserMailboxMoveTargetArchiveMDB Microsoft.Exchange.Data.Directory.Management.MailUserMailboxMoveTargetMDB Microsoft.Exchange.Data.Directory.Management.ReducedRecipientDatabase Microsoft.Exchange.Data.Directory.Management.ReducedRecipientMailboxMoveSourceArchiveMDB Microsoft.Exchange.Data.Directory.Management.ReducedRecipientMailboxMoveSourceMDB Microsoft.Exchange.Data.Directory.Management.ReducedRecipientMailboxMoveTargetArchiveMDB Microsoft.Exchange.Data.Directory.Management.ReducedRecipientMailboxMoveTargetMDB Microsoft.Exchange.Data.Directory.Recipient.ADPublicFolderDatabase Microsoft.Exchange.Data.Directory.Recipient.ADPublicFolderHomeMTA Microsoft.Exchange.Data.Directory.Management.FederatedOrganizationIdWithDomainStatusDelegationTrustLink Microsoft.Exchange.Data.Directory.Management.MailboxDatabase Microsoft.Exchange.Data.Directory.Management.MailboxPreviousDatabase Microsoft.Exchange.Data.Directory.Management.MailboxDisabledArchiveDatabase Microsoft.Exchange.Data.Directory.Management.MailboxMailboxMoveTargetMDB Microsoft.Exchange.Data.Directory.Management.MailboxMailboxMoveSourceMDB Microsoft.Exchange.Data.Directory.Management.MailboxMailboxMoveTargetArchiveMDB Microsoft.Exchange.Data.Directory.Management.MailboxMailboxMoveSourceArchiveMDB Microsoft.Exchange.Data.Directory.Management.MailboxPlanDatabase Microsoft.Exchange.Data.Directory.Management.MailboxPlanPreviousDatabase Microsoft.Exchange.Data.Directory.Management.MailboxPlanDisabledArchiveDatabase Microsoft.Exchange.Data.Directory.Management.MailboxPlanMailboxMoveTargetMDB Microsoft.Exchange.Data.Directory.Management.MailboxPlanMailboxMoveSourceMDB Microsoft.Exchange.Data.Directory.Management.MailboxPlanMailboxMoveTargetArchiveMDB Microsoft.Exchange.Data.Directory.Management.MailboxPlanMailboxMoveSourceArchiveMDB Microsoft.Exchange.Data.Directory.Management.MailUserDisabledArchiveDatabase |
| 2026-01-29 | MC Last Updated | 08/21/2025 16:27:32 | 2026-01-28T18:28:51Z |
| 2026-01-29 | MC Messages | Updated August 21, 2025: We have updated the timeline. Thank you for your patience.
We're updating the output format of certain properties returned by Exchange Online PowerShell cmdlets to improve performance and align with backend service optimizations. This change reduces unnecessary data retrieval and enhances consistency across services. [When this will happen:] Rollout will begin in October 2025 (previously August) and complete by November 2025. | Updated January 28, 2026: We have updated timelines for enforcement. The scope of the change remains unchanged. Thank you for your patience.
We're updating the output format of certain properties returned by Exchange Online PowerShell cmdlets to improve performance and align with backend service optimizations. This change reduces unnecessary data retrieval and enhances consistency across services. [When this will happen:] Rollout will begin in February 2026 (previously October 2025) and complete by April 2026 (previously November 2025). |
| 2026-01-29 | MC Summary | Exchange Online PowerShell cmdlets will update certain database property formats starting October 2025 to improve performance and consistency. The change affects only Exchange Online, not on-premises. No action is required, but review scripts parsing these values for compatibility. | Exchange Online PowerShell cmdlets will update output formats for certain database-related properties starting February 2026, completing by April 2026. This change improves performance and consistency but only affects Exchange Online, not on-premises. No user action is required unless scripts parse these values. |
| 2026-01-29 | MC End Time | 01/05/2026 08:00:00 | 2026-05-31T09:00:00Z |
| 2026-01-29 | MC prepare | No action is required. There are no settings or controls to manage this change. If you have scripts that parse these property values, we recommend reviewing them to ensure compatibility. | No action is required. There are no settings or controls to manage this change. If you have scripts that parse these property values, we recommend reviewing them to ensure compatibility.
The complete list of cmdlets impacted is as follows: Cmdlet Output Type Add-DistributionGroupMemberMicrosoft.Exchange.Data.Directory.Management.ReducedRecipient Get-DistributionGroupMemberMicrosoft.Exchange.Data.Directory.Management.ReducedRecipient Get-FederatedOrganizationIdentifier Microsoft.Exchange.Data.Directory.Management.FederatedOrganizationIdWithDomainStatus Get-Mailbox Microsoft.Exchange.Data.Directory.Management.Mailbox New-MailboxMicrosoft.Exchange.Data.Directory.Management.MailboxPlan Get-MailboxPlanMicrosoft.Exchange.Data.Directory.Management.MailboxPlan Get-MailUserMicrosoft.Exchange.Data.Directory.Management.MailUser New-MailUser Microsoft.Exchange.Data.Directory.Management.MailUser Get-RecipientMicrosoft.Exchange.Data.Directory.Management.ReducedRecipient Add-RoleGroupMember Microsoft.Exchange.Data.Directory.Management.ReducedRecipient Get-RoleGroupMember Microsoft.Exchange.Data.Directory.Management.ReducedRecipient New-SyncMailPublicFolderMicrosoft.Exchange.Data.Directory.Recipient.ADPublicFolder The affected properties for each Output Type are as follows: Output TypeProperty Microsoft.Exchange.Data.Directory.Recipient.ADPublicFolderDatabase Microsoft.Exchange.Data.Directory.Recipient.ADPublicFolderHomeMTA Microsoft.Exchange.Data.Directory.Management.FederatedOrganizationIdWithDomainStatusDelegationTrustLink Microsoft.Exchange.Data.Directory.Management.MailboxDatabase Microsoft.Exchange.Data.Directory.Management.MailboxPreviousDatabase Microsoft.Exchange.Data.Directory.Management.MailboxDisabledArchiveDatabase Microsoft.Exchange.Data.Directory.Management.MailboxMailboxMoveTargetMDB Microsoft.Exchange.Data.Directory.Management.MailboxMailboxMoveSourceMDB Microsoft.Exchange.Data.Directory.Management.MailboxMailboxMoveTargetArchiveMDB Microsoft.Exchange.Data.Directory.Management.MailboxMailboxMoveSourceArchiveMDB Microsoft.Exchange.Data.Directory.Management.MailboxPlanDatabase Microsoft.Exchange.Data.Directory.Management.MailboxPlanPreviousDatabase Microsoft.Exchange.Data.Directory.Management.MailboxPlanDisabledArchiveDatabase Microsoft.Exchange.Data.Directory.Management.MailboxPlanMailboxMoveTargetMDB Microsoft.Exchange.Data.Directory.Management.MailboxPlanMailboxMoveSourceMDB Microsoft.Exchange.Data.Directory.Management.MailboxPlanMailboxMoveTargetArchiveMDB Microsoft.Exchange.Data.Directory.Management.MailboxPlanMailboxMoveSourceArchiveMDB Microsoft.Exchange.Data.Directory.Management.MailUserDisabledArchiveDatabase |
| 2025-08-22 | MC MessageTagNames | Feature update, Admin impact | Updated message, Feature update, Admin impact |
| 2025-08-22 | MC Summary | Changing output format for some database properties in Exchange Online cmdlets to improve performance and consistency. Rollout starts August 2025. The update affects string format of specific properties, but no action is required. Review scripts for compatibility if they parse these values. On-premises Exchange is not affected. | Exchange Online PowerShell cmdlets will update certain database property formats starting October 2025 to improve performance and consistency. The change affects only Exchange Online, not on-premises. No action is required, but review scripts parsing these values for compatibility. |
| 2025-08-22 | MC Last Updated | 07/04/2025 01:39:19 | 2025-08-21T16:27:32Z |
| 2025-08-22 | MC Messages | We're updating the output format of certain properties returned by Exchange Online PowerShell cmdlets to improve performance and align with backend service optimizations. This change reduces unnecessary data retrieval and enhances consistency across services.
[When this will happen:] Rollout will begin in August 2025. | Updated August 21, 2025: We have updated the timeline. Thank you for your patience.
We're updating the output format of certain properties returned by Exchange Online PowerShell cmdlets to improve performance and align with backend service optimizations. This change reduces unnecessary data retrieval and enhances consistency across services. [When this will happen:] Rollout will begin in October 2025 (previously August) and complete by November 2025. |
| 2025-08-22 | MC Title | Changing output format for some database properties in Exchange Online cmdlets | (Updated) Changing output format for some database properties in Exchange Online cmdlets |
| 2025-08-22 | MC End Time | 10/27/2025 08:00:00 | 2026-01-05T08:00:00Z |
Last updated 2 weeks ago ago
