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Conversion of iif file format to xlsx file format beta

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Convert QuickBooks interchange format to Microsoft Excel Open XML workbook and spreadsheet.

We have found one software suitable in our database for this conversion.

iif to xlsx conversion is used for the purpose of exporting accounting/tax data from QuickBooks interchange format to MS Excel. You can certainly import data from IIF files to Excel and save it is spreadsheet, but perhaps some dedicated utility for this exists as well.

Updated: April 3, 2023

Microsoft Windows software Microsoft Windows icon - convert iif to xlsx on Windows

Microsoft Excel icon Microsoft Excel

A popular spreadsheet application distributed with Microsoft Office suite

File extension









Convert from iif file


to xlsx file

Yes, Microsoft Excel supports xlsx file conversion as a target file type.YesYesxlsx editorYesNoNoNo

The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.


Additional links: Open iif file, Open xlsx file


Files with iif extension can be mainly found as financial data files in QuickBooks interchange format.


Files with xlsx extension are s used by Microsoft Excel for its workbooks (spreadsheets) in Office Open XML format. XLSX is the latest spreadsheet format used by Excel with the adoption of XML formatting first used in Office 2007. While older xls files were in proprietary binary file format, xlsx spreadsheets use a somewhat altered XML scheme.


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