QB Issue Resolution:

If you can get what you want in the CSV file, you can convert it to a QBO file using the BRC Excel to OFX Converter or to an IIF file using the IIF Transaction Creator Pro

Resolution for Issue 'Capital one downloaded transactions no longer shows each credit card number up in Bank Memo.' available: Yes (Solved).
Source: Intuit Community forum.

Capital one downloaded transactions no longer shows each credit card number up in Bank Memo.: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for Bank Memo
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Error Recovery for Bank Memo [Canada]
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