How QBO files work
QBO imports depend on supported account types, financial institution identifiers, date ranges, currencies, and duplicate transaction identifiers.
The right conversion depends on whether the next step is human review, spreadsheet analysis, archival, or import into financial software. A converter should preserve transaction meaning rather than simply changing an extension.
How to open QBO
First identify the application that created the file and keep an untouched copy. Text-oriented formats can be inspected with a text editor, while spreadsheets and PDF documents require compatible viewers. Financial import formats should preferably be opened or imported by software that understands their account and transaction structures.
How to convert QBO
Choose an output based on the destination. CSV or Excel works well for review and analysis; QBO, QFX, OFX, QIF, or IIF may be required for accounting and personal-finance imports; PDF is best for a fixed readable report. Validate dates, signs, balances and identifiers before relying on a converted file.
QBO compared with related formats
QBO and OFX serve different parts of the financial-data workflow; QBO and IIF serve different parts of the financial-data workflow. The format name alone does not guarantee compatibility, so verify the destination application's supported versions and account types.
Supported QBO converters
Convert from or into QBO
Use an outgoing converter when QBO is your source. Use an incoming converter when another file must become QBO. Keeping those intents separate prevents accidental reversal of the workflow.