Yes, you can easily import the Journal Entries to your QuickBooks Online using Excel or CSV files. All you have to do is prepare a spreadsheet with proper information organized in columns and rows. After that, you can proceed with importing the journal entries. For this, you can enable the class tracking feature in QuickBooks. However, one has to make sure that account numbers are turned off before importing the journal entries. This will smoothen the import operation. Later, you can enable the account numbers.