Ronnie Holt 12-Aug-2022 | 2 Years ago https://intuitquickbookserrorsupport.com/quickbooks-error-code-h505/ QuickBooks Error Code H505 - How to Fix, Resolve it? When a QuickBooks user open a company file in multi-user mode they get QuickBooks Error Code H505. Through this blog post find the easiest method to fix this issue. 0 Likes 0 Comments