BMO does connect to QuickBooks, through Web Connect and an OAuth login for QuickBooks Online. What broke it for a lot of people was the move to BMO Digital Banking: the old connections dropped, reconnecting took several tries, and the pre-migration history did not follow. When the feed is down or the months you need are gone, upload the BMO statement PDF here and download a real Web Connect file. Start free, no credit card.
Last updated July 2026
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Upload the BMO PDF statement to BankXLSX and choose QBO as the download format. BMO supports QuickBooks through Web Connect and an OAuth-based QuickBooks Online login, but after BMO moved customers to its Digital Banking platform many QuickBooks connections dropped and had to be rebuilt, and the history from before the migration did not carry over. Converting the statement PDF produces the same .QBO file QuickBooks imports, with no feed to repair and no missing months.
BMO Bank N.A., the former BMO Harris, is one of the largest banks in the US Midwest and, since it absorbed Bank of the West in 2023, a coast-to-coast business bank. Its QuickBooks support is real. The platform change is what made it unreliable.
When BMO moved customers onto its new Digital Banking platform, existing QuickBooks connections stopped importing. Reconnecting meant deleting the old link and authorizing a new one, and for many that took more than one attempt.
A rebuilt connection starts fresh. Transactions from before the migration are not in the new feed, so the exact period a lot of businesses needed for close was suddenly out of reach.
BMO now uses an OAuth login for QuickBooks Online. It is cleaner when it holds, but a dropped token means the feed silently stops and you find out when the register runs short.
A BMO client forwards a statement, not online banking credentials. There is no connection to authorize from your side of the email, and no reason to hand an outside accountant a bank login.
A live connection pulls activity forward from setup. Catch-up bookkeeping that starts last January, or a closed Bank of the West account, still comes down to the statements.
Desktop Web Connect imports .qbo and nothing else. A BMO statement is a document until something turns it into a data file.
Upload the official statement and get back a valid Web Connect file QuickBooks accepts, whether or not the Digital Banking feed is working.
You get an actual .qbo file with the OFX structure QuickBooks expects, the only format QuickBooks Desktop Web Connect will import.
Nothing to reconnect and no OAuth token to nurse. If you can open the statement, you can convert it, migration or no migration.
BMO personal checking, savings, and business checking statements parse correctly, including the running balance column, and so do carried-over Bank of the West statements.
A saved or requested PDF is enough. No login, no open account, and no working connection required, which is how the pre-migration months come back.
Debits land negative and credits positive with the correct posting date, so the register reconciles to the statement balance without hand fixes.
256-bit encryption in transit, and you can delete your uploaded statements whenever you want.
No software to install and no credit card to start.
In BMO Digital Banking, open the account and download the monthly statement from the documents area. A statement a client forwarded works just as well. Drag it into the box above.
Tip: Several months in one upload is fine.
Once the transactions are read, pick QBO as the download format. QFX, OFX, CSV, and Excel sit next to it.
Tip: Pick QFX if the target is Quicken.
QuickBooks Online: Transactions, Bank transactions, Upload from file. Desktop: File, Utilities, Import, Web Connect Files. Pick the account and review.
Tip: One BMO account per file.
BMO runs deep in Midwest business banking and, post Bank of the West, across the West Coast too, so the people converting its statements are usually inside a business file working around the migration: a Chicago company's year-end close, a lender package, or a cleanup that spans the period the new feed does not.
Turn a forwarded BMO statement into a QuickBooks import without waiting for the client to fix a dropped Digital Banking connection.
Reconcile against the official BMO statement during cleanups, reviews, and tax prep, including the pre-migration months the new feed never carried.
Bring BMO business checking activity into QuickBooks for a lender package or a year-end close, even while the OAuth reconnect is still pending.
Load BMO and legacy Bank of the West history into QuickBooks for audit support without rebuilding a feed that no longer reaches that far back.
Yes. BMO supports Web Connect, the manual .QBO download, and an OAuth login for QuickBooks Online that connects directly through BMO without sharing your banking password. The friction is not whether it works but how steady it stays. When BMO retired the old BMO Harris systems and moved everyone to BMO Digital Banking, the existing QuickBooks links stopped importing, and reconnecting meant removing the old connection and authorizing a fresh one. Businesses that had years of feed history watched the new connection start from empty, because a reauthorized link does not backfill the past. That is the gap the conversion route closes.
| Path | What it needs | History reach | Works for a bookkeeper? |
|---|---|---|---|
| OAuth for QuickBooks Online | A held connection, reauthorized after the migration | Forward from the reconnect date | Only with the client's login |
| Web Connect (.QBO) | Download from BMO Digital Banking | What the portal still shows | Only if the client sends the file |
| Converted statement PDF | The PDF, nothing else | Every statement you hold or request | Yes, a forwarded email is enough |
If your BMO connection is live and reaches the months you need, use it: it is free and first-party. The conversion route earns its place in the cases the feed does not cover, and the migration created a lot of them: the reconnect that has not gone through, the pre-migration history the new link skipped, the legacy Bank of the West account, the outside bookkeeper with no login, and anyone rebuilding a closed account nobody can sign into anymore.
Duplicates are the usual way a manual QuickBooks import goes wrong, and the migration made them more likely, because people reconnected a feed and also imported a file to fill the gap. Before you import, open the register, find the newest transaction that came from the bank, and start the converted file the day after it. If a live BMO feed is running on that account, deactivate it in Bank Feed Settings before a manual import so the two paths cannot post the same activity twice. QuickBooks does try to catch duplicates on Web Connect imports, but it matches on amount, date, and reference, so a re-issued description or a shifted posting date will slip past it.
In QuickBooks Online, open Transactions, then Bank transactions, choose the account, and pick Upload from file under the Link account dropdown. Select the QBO file, confirm the account it maps to, and the BMO transactions land in the For review tab ready to categorize. In QuickBooks Desktop, use File, Utilities, Import, Web Connect Files, or File, Import, From Web Connect on newer versions. Keep one BMO account per file, since QuickBooks maps a single QBO to a single account, and keep each upload under 1,000 transactions and 350 KB, the caps QuickBooks Online enforces.
All of them convert, because the input is the statement, not the connection. BMO personal checking, savings, business checking, and legacy Bank of the West statements come out as clean QBO files with signed amounts intact. Prefer a spreadsheet? The general bank statement PDF to Excel converter produces XLSX and CSV from the same upload, and the bank statement to QBO converter covers every other institution. For the step-by-step version, see how to import BMO transactions into QuickBooks. If your bank charges for the connection BMO gives away, check which banks charge for QuickBooks Direct Connect, and which banks are discontinuing it outright. Before you upload a busy year, check how many transactions QuickBooks accepts at once.
If you already exported BMO activity as a CSV and only need it in Web Connect form, a dedicated CSV to QBO converter does that one job. When statements from several institutions are headed into the same QuickBooks file, a purpose-built bank statement to QuickBooks converter runs the PDF to QBO workflow across all of them.
Yes. BMO supports Web Connect, the manual .QBO download, and an OAuth login for QuickBooks Online that connects directly through BMO without sharing your banking password. The complication is the move to BMO Digital Banking, which dropped existing connections and required reconnecting, so many customers convert the statement PDF to cover the gap.
When BMO retired the legacy BMO Harris systems and moved customers to BMO Digital Banking, existing QuickBooks feeds stopped importing. Reconnecting means deleting the old connection and authorizing a new OAuth link, and the new link does not backfill the transactions from before the migration.
Convert the BMO PDF statement to a QBO file, then upload it in QuickBooks Online under Transactions, Bank transactions, Upload from file, or in QuickBooks Desktop under File, Utilities, Import, Web Connect Files. Map it to the right BMO account and the transactions land in For review, ready to categorize.
Not from the feed, which starts fresh at the reconnect. The statement PDFs you saved, or copies requested from BMO, hold that history. Each one converts to a QBO file that imports into QuickBooks exactly like a bank download, which is how the pre-migration months come back.
No. QuickBooks Desktop Web Connect accepts only .qbo files, and QuickBooks Online accepts QBO, QFX, OFX, and CSV on the upload path. A PDF is a document, not a data file. BankXLSX reads the BMO statement and writes the QBO file QuickBooks expects.
Yes. Bank of the West statements moved into BMO after the 2023 acquisition, and their PDFs convert the same way. Upload the statement, choose QBO, and the transactions import into QuickBooks with signed amounts and running balance intact.
Not from a connection, which ends with the account. Statements you saved, or copies requested from BMO, are the remaining record. Each PDF converts to a QBO file that imports into QuickBooks exactly like a bank download, which is how closed-account history gets rebuilt.
Every QuickBooks import path, and the limits on each.
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