CSV to IIF Converter
Convert CSV transaction files to IIF format for QuickBooks Desktop import.
Internal ToolTransform BMO PDFs into clean, organized IIF files in seconds. Validated against your statement balances.
Bank of Montreal (BMO) is Canada's fourth-largest bank and the oldest bank in Canada, founded in 1817. Their statements combine traditional banking format with modern features like detailed transaction categorization. BMO's significant US presence means their systems handle cross-border transactions effectively.
BMO statements include BMO Rewards information for eligible accounts. The Harris Bank US subsidiary uses similar formatting conventions.
Understanding the specific layout and structure of BMO PDF statements helps ensure accurate conversion to IIF. Here is what our parser handles for this bank:
BMO Canadian statements are fully bilingual (English/French) with column headers appearing in both languages side-by-side (e.g., "Date / Date", "Description / Description") — the dual-language headers require the parser to recognize either language variant
Business statements include an "Exchange Rate" column for multi-currency transactions — the rate shown is the BMO posting rate on the transaction date, displayed as a 6-decimal-place factor (e.g., "0.731450")
"Bill Payment" transactions are grouped in a separate sub-section labeled "Bill Payments" (or "Paiements de factures" in French) that appears below the main transaction list — these must be included in the export as regular debit transactions
BMO Bank of Montreal (Canada) statements have a different column layout than BMO Harris Bank (US) statements — Canadian statements use DD/MM/YYYY dates while US statements use MM/DD/YYYY; verify the account country before converting
Account statements include a "Transaction Sequence Number" (TSN) in the leftmost column — this 10-digit TSN is BMO-internal and is used for tracing disputes but should be excluded from the payee or description fields in the exported data
Interac e-Transfer transactions show both the sender/recipient email alias and the message sent with the transfer in the description field — the message text is appended after a dash separator (e.g., "Interac e-Transfer from Jane Doe - Rent April")
Convert BMO statements to IIF format with perfect formatting
Process bank statements in under 60 seconds with AI-powered extraction
256-bit encryption and automatic file deletion after processing
AI-powered extraction validated against source balances for every conversion
Simply drag and drop your PDF Bank of Montreal (BMO) bank statement or click to browse from your computer.
Our advanced system automatically detects and extracts all transactions, dates, amounts, and descriptions with high precision.
Get your perfectly formatted IIF file ready for immediate use in Excel, QuickBooks, or your accounting software.
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BMO bilingual statements may have French and English labels mixed throughout. Our converter normalizes all column headers and transaction descriptions to English, ensuring compatibility with standard IIF import tools.
IIF exports from BMO statements are designed for QuickBooks Desktop import. Use the File > Utilities > Import > Web Connect Files option for best results.
BMO bank statements bmo bank of montreal (canada) statements have a different column layout than bmo harris bank (us) statements — canadian statements use dd/mm/yyyy dates while us statements use mm/dd/yyyy; verify the account country before converting. This distinctive format requires specialized parsing to ensure accurate extraction of transaction data for IIF export. When converting BMO statements to IIF, our system recognizes these layout patterns and maps them correctly to preserve data integrity and readability in the output file, maintaining the original structure's accuracy while adapting to IIF's requirements.
IIF (Intuit Interchange Format) exports from BMO statements are designed for QuickBooks Desktop import. Unlike QBO which works with QuickBooks Online, IIF files provide direct import capability for QuickBooks Pro, Premier, and Enterprise editions. For BMO business customers using desktop QuickBooks versions, this format ensures reliable bank feed integration without file conversion workarounds.
Important note for BMO conversions: BMO statements include BMO Rewards information for eligible accounts. The Harris Bank US subsidiary uses similar formatting conventions.. Our IIF export accounts for these statement-specific details, ensuring the converted data matches your original PDF exactly. This attention to bank-specific formatting nuances is what differentiates our converter from generic OCR tools that may miss critical transaction details.
IIF is a tab-delimited text format developed by Intuit for importing data into QuickBooks Desktop. Unlike QBO files which are designed for bank feeds, IIF files can import virtually any type of data including transactions, customers, vendors, items, and accounts. This makes IIF particularly valuable for batch imports, data migration, and integration with external systems. The format uses a header-based structure that QuickBooks interprets to determine the type and destination of each data record.
Choose IIF when you need to import transactions directly into QuickBooks registers (bypassing the Bank Feeds review process), when migrating data from other systems, or when you need to import non-transaction data like customer lists or chart of accounts. IIF is ideal for batch processing and automated workflows where transactions should appear directly in registers without manual review.
In QuickBooks Desktop, go to File > Utilities > Import > IIF Files and select your file. QuickBooks will validate the format and display any errors before processing. For transaction imports, records will appear directly in the specified account register - there is no review step as with QBO imports. Always backup your company file before importing IIF files, as the import cannot be easily undone.
Convert CSV transaction files to IIF format for QuickBooks Desktop import.
Convert CSV transaction exports to QuickBooks QBO, Quicken OFX, IIF, or Excel. Import CSV data into any accounting or financial software.
Convert Excel spreadsheets with transaction data to QuickBooks QBO, Quicken OFX, or IIF format. Import your Excel transactions into any accounting software.
!TRNS ACCNT DATE AMOUNT NAME MEMO !SPL ACCNT DATE AMOUNT NAME MEMO !ENDTRNS TRNS Bank 2026-03-31 -96.21 BMO ATM SPL Expenses 2026-03-31 96.21 ENDTRNS TRNS Bank 2026-03-24 -22.10 Home Depot Canada SPL Expenses 2026-03-24 22.10 ENDTRNS TRNS Bank 2026-03-09 -803.60 Home Depot Canada SPL Expenses 2026-03-09 803.60 ENDTRNS
Preview of converted output from an actual BMO statement
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BMO statements often include foreign currency transactions with exchange rate information. Our converter accurately captures both the original currency amount and the converted value, preserving this critical data in your IIF export with high accuracy even with complex, multi-column statement layouts. Additionally, we handle "bill payment" transactions are grouped in a separate sub-section labeled "bill payments" (or "paiements de factures" in french) that appears below the main transaction list — these must be included in the export as regular debit transactions to ensure comprehensive statement processing.
BMO statements — including 2019-2024 personal and business statements from Canada and US (BMO Harris) — are fully supported. Processing typically takes 25-50 seconds depending on statement length and transaction count. Our system automatically handles business statements include an "exchange rate" column for multi-currency transactions — the rate shown is the bmo posting rate on the transaction date, displayed as a 6-decimal-place factor (e.g., "0.731450") and applies the appropriate parsing rules for optimal IIF conversion.
BMO statements may contain special characters or multi-language text, which we process securely using UTF-8 encoding. All data is encrypted with 256-bit SSL during upload and processing, stored in SOC 2 compliant data centers, and automatically purged within 24 hours. Character encoding preserves data integrity while ensuring your financial information is never shared, sold, or retained beyond the processing window.
IIF imports BMO transactions directly into QuickBooks registers, bypassing the Bank Feeds review process entirely. QBO files go through the Bank Feeds center for review before posting. IIF is ideal for batch processing and automated workflows, while QBO provides a manual review step for verification. IIF also supports importing non-transaction data like customers, vendors, and chart of accounts items.
No, IIF files from BMO statements are only compatible with QuickBooks Desktop versions (Pro, Premier, Enterprise). QuickBooks Online does not support IIF imports. For QuickBooks Online, use the QBO or QuickBooks format instead, which uploads via the Banking tab's transaction import feature.
Yes, you can batch convert multiple BMO statements by uploading them sequentially. Each statement will be processed into its own IIF file with the original statement period clearly labeled. This is particularly useful for catching up on historical data entry or reconciling multiple months of transactions. The converted files can then be imported into your accounting software in chronological order.
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Convert CSV transaction files to IIF format for QuickBooks Desktop import.
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Internal ToolOfficial QuickBooks documentation for importing IIF files into QuickBooks Desktop.
QuickBooks SupportTechnical reference for IIF file structure and required fields.
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