August 2025 monthly summary for MicrosoftDocs/office-docs-powershell. Focused on validating and updating Exchange Online documentation by removing deprecated parameters and aligning content with current cmdlets. Delivered a targeted documentation update set that deprecates BadItemLimit and LargeItemLimit references in New-MigrationBatch, and removed stale EXO references to ensure consistency. No major bugs fixed in this repo during the period. Overall impact: improved documentation accuracy, reduced user confusion around parameter deprecations, and better alignment with Exchange Online behaviors. Technologies/skills demonstrated: technical writing, documentation governance, version control best practices, and cross-repo alignment (Git commits and doc updates).

March 2025—Delivered targeted enhancements to microsoft/CSS-Exchange Cross-Tenant Mailbox Migration Validation (CTMM) to improve migration reliability and data integrity. Implemented robust ExternalEmailAddress checks that verify the target MailUser's ExternalEmailAddress exists among the source mailbox's EmailAddresses and provide an option to set it to the source's PrimarySMTPAddress if not found and DirSync is not enabled. Also delivered readability and maintainability improvements to CrossTenantMailboxMigrationValidation.ps1. No separate critical bugs fixed this month; the focus was on feature enhancements and code quality to reduce post-migration remediation.

February 2025 monthly summary for microsoft/CSS-Exchange: Implemented substantial Cross-Tenant Mailbox Migration Validation (CTMM) enhancements to improve reliability and admin guidance during tenant migrations; focused on license checks, organization relationship matching, and robust handling of X.500 addresses for online/offline scenarios. No major bugs fixed this month. Commitsffected: 3441aa99573d5106cf8230a315a9a4f1c53fb75f.