Tool

Name Matcher

Match display names to UPNs from a TAC CSV or PowerShell export. Handles Last, First and First Last formats. All processing runs in your browser.

1. Load files

User list (CSV)

📋

Click or drag CSV here

TAC export or Get-CsOnlineUser CSV
Columns: DisplayName, UserPrincipalName

Names to match (TXT)

📝

Click or drag TXT here

One name per line
Supports "Last, First" and "First Last"

ℹ️ How to get your user list

▾

Option A — PowerShell (requires Connect-MicrosoftTeams session)

Get-CsOnlineUser -Filter "AccountEnabled -eq $true" | Select-Object DisplayName, UserPrincipalName, LineUri | Export-Csv -Path ".\users.csv" -NoTypeInformation

Option B — Teams Admin Centre (TAC)

Sign in to admin.teams.microsoft.com
Go to Users > Manage users
Click Export > Export all users to CSV
Use the downloaded file as your user list

2. Set confidence threshold

Confidence threshold — scores at or above this value are marked confident

85%

Scores 45–threshold are flagged for review (fuzzy). Below 45 = no match.

Results

Submitted name	Matched display name	UPN	Score	Status