Microsoft Excel Add-in

AI audit testing,
inside Excel.

Run PCAOB-aligned audit tests, generate Big 4-quality workpapers, and perform 100% population testing — without leaving your spreadsheet.

✅ Free to use
🔒 Secure — no data stored
📋 PCAOB · IIA · ISO 27001
JournalEntries_Q4.xlsx
File
Home
Insert
Formulas
✦ AssurAI
Date
Account
Amount
Preparer
Flag
1
31-Dec
9999
$1,000,000
Admin
⚠ Round
2
31-Dec
4100
$999,999
Admin
⚠ Period
3
04-Jan
5500
$10,000
Admin
⚠ Sunday
4
15-Jan
1200
$500
J. Smith
✓ Clear
5
03-Jan
9999
$50,000
IT_System
⚠ Weekend
6
28-Dec
3300
$777,777
Admin
⚠ Pattern
✦ AssurAI Audit AI
Test Complete
24 exceptions
JE Review — PCAOB AS 2201
⚠ 5 round numbers
⚠ 4 weekend postings
⚠ 6 admin accounts
⚠ 3 period-end entries
✓ 1 clear item

Conclusion: High risk — expanded testing required

Everything you need,
inside your spreadsheet

AssurAI brings Big 4-quality AI audit tools directly into Microsoft Excel — no switching apps, no re-entering data.

🧪

6 Pre-built Audit Tests

Journal Entry Review, User Access, Vendor Payments, Payroll Tie-Out, Benford's Law, and Reconciliation Review — all AI-powered and PCAOB-referenced.

SOX · ITGC · AP · Payroll
📊

100% Population Testing

Select any range — journal entries, AP listings, user access logs — and AI tests every single row. Not a sample. The entire population, flagged in seconds.

Zero sampling risk
📋

Workpaper Generation

Describe a control, select the framework, click generate. AssurAI produces a complete, Big 4-quality workpaper — write it directly back to your Excel sheet.

PCAOB · IIA · ISO 27001 · SOC 2
📝

Write Results to Sheet

AI findings are written directly back into your Excel workbook — formatted, structured, and ready for review. No copy-paste, no reformatting.

Native Excel output
🔒

Secure by Design

Your data is processed server-side and never stored. All API calls are encrypted. SOC 2 infrastructure. Your client data stays yours.

Zero data retention

Custom Analysis

Describe what you want to find in plain English. "Flag all invoices from vendors created in the last 30 days." AI runs it across your entire dataset.

Natural language queries

Built for every audit test

From ITGC to financial controls — AI runs the test, flags the exceptions, writes the conclusion.

📒

Journal Entry Review

Round numbers, weekend postings, suspense accounts, period-end entries, unknown preparers

PCAOB AS 2201.65
🔐

User Access Review

Terminated users with active access, SoD conflicts, excessive privileges, dormant accounts

ITGC · SOX
🏢

Vendor Payment Testing

Duplicate invoices, round amounts, new vendors, split transactions, weekend payments

AP Fraud
💰

Payroll Tie-Out

Ghost employees, rate changes, overtime anomalies, terminated employees, duplicate bank accounts

HR · Payroll
📈

Benford's Law Analysis

Statistical test for data manipulation — leading digit distribution analysis with chi-square

Fraud Analytics
⚖️

Reconciliation Review

Stale items, round adjustments, missing descriptions, net-to-net entries, period-end adjustments

Financial Controls

Up and running in 3 minutes

No IT department. No implementation project. Just install and start testing.

1

Download the manifest

Download the AssurAI manifest file from the button below

2

Open Excel Online

Go to office.com → Excel → open any workbook

3

Upload the Add-in

Insert → Add-ins → Upload My Add-in → select the manifest file

4

Start testing

Click AssurAI in your ribbon, select data, run AI tests

Download Manifest File
Or find us on Microsoft AppSource (coming soon)

Your audit team
never leaves Excel.

AssurAI works where auditors already work. Select data, run AI tests, write results back to your workbook — all without switching tools.