I think you mean item details, if so, in company settings>expenses>bills & expenses turn on the items table and purchase orders.

In forms customization there is also a setting to turn on the account summary, click the content tab, click the detail section, that seems to have two name now that […]

Resolution for 'Box appears issue: 'Is there a setting to turn on the Activity Box on invoices? No Activity Box appears on my invoices.' available: Yes.

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