---
id: feature/573258
type: feature
title: Improve duplicates prevention
summary: "Expense Agent: Improve duplicates prevention. In preview, GA 2026-12 (Microsoft 365 roadmap). Expense Agent can identify and handle duplicated expense submissions. Key capabilities include: Enhanced duplicate detection that identifies expenses with matching or highly similar details, such as amount, date, merchant, receipt, or transaction information. Proactive guidance that alerts employees when it detects a potential duplicate expense in the current expense report, or one that is already posted."
tier: official
language: en
system: copilot
tags:
  - expense agent
review:
  state: derived
  by: null
  at: null
  flags: []
generated:
  at: "2026-10-07T23:41:05.192Z"
  pipeline: 0.2.0
  prompts: {}
  input_hash: d68bcb77f0eed3514294288c5b9906f219e6f374d9d99b807a835949412de425
evidence:
  - kind: roadmap
    url: https://www.microsoft.com/microsoft-365/roadmap?id=573258
    title: Microsoft 365 roadmap 573258
    date: "2026-09-30"
    commit: null
    t: null
    quote: null
links:
  learn: []
  objects: []
  features: []
  topics: []
  localizations: []
  videos: []
  posts: []
  guidelines: []
roadmap_id: "573258"
wave: 2026 release wave 2
status: preview
roadmap_status: In development
release_phase: General Availability
ga_date: 2026-12
preview_date: 2026-10
area: Expense Agent
whatsnew_url: null
localizations: []
objects_touched: []
---

# Improve duplicates prevention

> Expense Agent: Improve duplicates prevention. In preview, GA 2026-12 (Microsoft 365 roadmap). Expense Agent can identify and handle duplicated expense submissions. Key capabilities include: Enhanced duplicate detection that identifies expenses with matching or highly similar details, such as amount, date, merchant, receipt, or transaction information. Proactive guidance that alerts employees when it detects a potential duplicate expense in the current expense report, or one that is already posted.

[Microsoft 365 roadmap 573258](https://www.microsoft.com/microsoft-365/roadmap?id=573258) · Expense Agent · in preview · roadmap status "In development", phase General Availability

## What Microsoft says

Expense Agent can identify and handle duplicated expense submissions. Key capabilities include: Enhanced duplicate detection that identifies expenses with matching or highly similar details, such as amount, date, merchant, receipt, or transaction information. Proactive guidance that alerts employees when it detects a potential duplicate expense in the current expense report, or one that is already posted. Reduced manual review effort by helping prevent duplicate claims from entering approval and reimbursement workflows. Improved expense data integrity through more intelligent validation and comparison of submitted expenses.

## Dates

- General availability: December CY2026 (2026 release wave 2)
- Public preview: October CY2026
- On the roadmap since 2026-09-30, last changed 2026-09-30

Source: Microsoft 365 roadmap. Status words follow the roadmap.