Answer
Important: When you delete an account, all transactions and transaction history are deleted from Quicken. Reports, tools, and over-time reports will no longer display transactions or historical data. This makes the account unusable on a daily basis, but it protects data for reports and tools by removing it from day-to-day use.
Quicken for Windows – Keeping your Account List Clean and Up-to-date
Quicken for Mac – Keeping your Account List Clean and Up-to-date
Select a backup strategy that is appropriate for your scenario. For example, if you’re shopping online and want to protect yourself against hackers, it’s a good idea to make a copy of all of your personal information, including passwords and credit card numbers. If you have questions regarding the accounts listed in your account list, click on Tools on the top menu bar then choose Account List (or hold down Ctrl+A on your keyboard). Select the account you wish to delete and modify it by using Edit. In the Account Details window, select Delete Account from the drop-down menu. To remove an account, type YES into the Delete Account window and then press OK.
Instructions for adding accounts. In most situations, you’ll want to include all of your financial accounts in the same Quicken data file so that you can track your overall financial picture. You can add up to 512 distinct account types per data file
The quick answer is that if you don’t need the backup files any longer, you can simply delete them. The file name of an automatic backup in the BACKUP directory will include a date and time stamp. Only the automated backups that follow the restrictions in preferences are erased.
If you wish to disable Cloud sync from your One Step Update, simply uncheck the box next to Sync to Quicken Cloud in the One Step Update Settings page. Your bank’s latest transactions are automatically downloaded by the Quicken Cloud.
It’s not advised to share a single Quicken file among many computers for newcomers or non-technical individuals, and it’s not officially supported. Because opening the same Quicken file on multiple PCs simultaneously might cause data corruption or even file degeneration, this is something that should be avoided.
Accounts – Up to 512 accounts of each Account Type (spending, credit, investment, and so on) may be included in a Quicken file.