New support for historical data uploads in Organizational Data in Microsoft 365

Microsoft 365 now supports manual uploads of historical HR data in Organizational Data with an effective date toggle for accurate processing. This feature, rolling out late September to October 2025, enables correcting past errors and building user histories but requires admin activation and manual CSV uploads only. Introduction We’re introducing support for manual uploads of historical HR data in Organizational Data in Microsoft 365. Admins can now specify whether uploaded data is current or historical using a new toggle in the CSV upload experience. For historical data, an effective date can be assigned to ensure accurate processing by downstream apps such as Viva Insights. This enhancement improves data consistency across Microsoft 365 and supports retroactive updates for organizational reporting. Figure i. Historical upload in Organizational Data in Microsoft 365 View image in new tab When this will happen General Availability (Worldwide): Rollout will begin in late September 2025 and is expected to complete by late October 2025. How this affects your organization Organizations using Organizational Data to manage HR information will gain greater flexibility and control over user record updates. Historical uploads allow you to: Correct past data errors Build comprehensive user histories Align data ingestion with behavioral processing timelines in Viva Insights Note What you can do to prepare You can begin preparing by: Reviewing internal HR data sources for historical records Preparing CSV files with accurate effective dates for upload Understanding how MODIS and Viva Insights process backdated attributes Compliance considerations No compliance considerations identified, review as appropriate for your organization. Message ID: MC1162297

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