Saving financial, accounting, bank, credit card and other relevant data from Excel spreadsheets (*.xlsx, *.xls) in OFX (Open Financial Exchange format) is possible in several spreadsheets editors or conversion utilities. Sadly, Excel itself does not natively. support saving to OFX.
Convert Microsoft Excel Open XML workbook and spreadsheet to Open Financial Exchange format.
We have found 2 software records in our database eligible for .xlsx to .ofx file format conversion.
Microsoft Windows software - convert xlsx to ofx on Windows
A converter for bank and credit card files
Convert from xlsx file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned xlsx to ofx. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software - convert xlsx to ofx on OS X
A spreadsheet application from Apple