MSP billing reconciliation software
Microsoft 365 vs ConnectWise for MSP billing reconciliation
Microsoft 365 vs ConnectWise billing mismatches usually happen because vendor billing changes faster than the ConnectWise agreement does. New seats are added, products are renamed, or a recurring agreement line stays on the wrong quantity. Leakage Finder compares the two exports directly so MSPs can see where recurring revenue is slipping through.
Why mismatches happen
Where Microsoft 365 and ConnectWise billing drift apart
Most ConnectWise-related leakage is not caused by one dramatic failure. It comes from small billing maintenance gaps that quietly compound between vendor billing and agreement billing.
What Leakage Finder surfaces
What the audit actually shows on this comparison
Leakage Finder turns the ConnectWise export into something operationally useful: a billing review queue tied to real client, product, quantity, and monthly revenue impact.
Microsoft 365 rows billed by the vendor but not billed through ConnectWise at all.
Quantity mismatches between the vendor export and the ConnectWise agreement line.
Under-billing caused by stale prices or partially updated recurring additions.
Naming drift and match-confidence issues that hide revenue leakage from spreadsheet lookups.
Monthly workflow
How this comparison fits a real billing review process
Step 1
Export Microsoft 365 or distributor billing and the corresponding ConnectWise billing data.
Step 2
Compare both files line by line to surface quantity drift, naming mismatches, and missing billing rows.
Step 3
Use the flagged findings to correct ConnectWise, export the fix list, and rerun the audit before invoices go out.
Who should use this page
ConnectWise-based MSPs that want a monthly reconciliation workflow instead of guessing whether agreement maintenance kept up with licensing changes.
Billing and finance teams responsible for turning vendor exports into accurate ConnectWise invoices before month-end.
Owners and operations managers who need evidence-backed recovery of unbilled licenses and under-billed quantities.
FAQ
Why is Microsoft 365 vs ConnectWise reconciliation so easy to miss?
Because both systems can look internally correct. Microsoft 365 billing reflects what you were charged, while ConnectWise reflects what your team remembered to bill. Leakage only becomes obvious when both exports are compared line by line.
Can this catch problems caused by Microsoft SKU renames in ConnectWise?
Yes. Leakage Finder is built to surface match problems caused by Microsoft 365 product naming drift, so ConnectWise billing teams can see where a line item exists but is mapped badly enough to hide revenue leakage.
Who inside an MSP should own this process in ConnectWise?
The strongest owners are the finance, billing, or RevOps people responsible for ConnectWise accuracy, with operations leadership involved when repeated mismatches point to broader process gaps.
Popular comparisons
Related compare pages
If your team works across more than one PSA workflow, use these related comparison pages to see where Microsoft 365 billing tends to drift across other MSP billing systems.
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Compare Microsoft 365 vs Autotask billing
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See the Microsoft 365 vs Autotask comparison →
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Compare Microsoft 365 vs Kaseya BMS billing
See why Microsoft 365 vendor invoice CSVs and Kaseya BMS exports drift, which mismatches are common, and how to catch underbilling before month-end.
See the Microsoft 365 vs Kaseya BMS comparison →
Related reads
Related reads for MSP billing reconciliation
How to Reconcile Microsoft CSP Billing with Your PSA
A step-by-step walkthrough for matching Microsoft CSP exports against your PSA billing data — including how to handle fuzzy name mismatches.
Read the How to Reconcile Microsoft CSP Billing with Your PSA guide →
Fuzzy Matching for MSP Billing: How It Finds What Spreadsheets Miss
Why exact matching fails MSP billing reconciliation and how fuzzy matching catches the name variations that leave unbilled licenses invisible to spreadsheets.
Read the Fuzzy Matching for MSP Billing: How It Finds What Spreadsheets Miss guide →
Microsoft SKU Mismatches: Why Names Change and How to Fix Your Billing
Microsoft renames products regularly. Learn why SKU changes break reconciliation, how to maintain an alias map, and how to stay ahead of the next rename.
Read the Microsoft SKU Mismatches: Why Names Change and How to Fix Your Billing guide →