Click the "Select File" button above, and choose your QBY file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert QBY to another file type
To convert QBY change files to another format, you need QuickBooks or other Data software.
Convert a file to QBY
To convert other file formats to the "Accounting Data Delta" file type, you need software like QuickBooks or a similar tool.
About QBY files
The .QBY file is an Accountant's Copy Import File used by Intuit QuickBooks. It contains financial adjustments made by an accountant to be synchronized with a client's master file. This file is handled exclusively by QuickBooks Desktop. The primary disadvantage of the .QBY format is its extreme restrictiveness. It is a proprietary delta file that only stores the differences or adjustments, not the full company ledger. Users frequently face a major real-world limitation: a .QBY file can only be imported back into the exact original QBW file that generated the initial request. If the client removes the 'Accountant's Copy' restriction in their software beforehand, the .QBY file becomes an orphaned, unreadable file. Converting .QBY directly to XLSX or CSV is practically impossible because it lacks the underlying database context. The only pragmatic target workflow is to import the file into QuickBooks, apply the changes, and then export standard financial reports to PDF or XLSX. This is a heavily encrypted, closed format designed solely for internal software synchronization. Standard online converters fail to process it because it requires the proprietary QuickBooks database engine to parse the binary delta.
Convert.Guru analyzes your QBY file, detects the exact format, and lets you read the text inside.
If you want to convert QBY file to XLS, XLSX, XLSM, XLSB, ODS, CSV, TSV, TAB, DIF, SLK, WK1 or WK3, you can use QuickBooks or similar software from the "Financial Data Synchronization" category. In the File menu, look for Save As… or Export….
To convert WQ1, XLSM, NOTES, QPW, WK3, WB2, WKS, XLSB, 123, XLS, WB1 or XLSX files to QBY, try QuickBooks or another comparable tool in the "Financial Data Synchronization" category.
The QBY Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our QBY converter.