Thank you for reaching out on the community and telling us about your issue. I do apologize for the issue you're having. There isn't any sort of main ways to maintain your file other than making sure you're keeping up to date with any errors and actively keeping your accounts sorted as well. I can leave a list of FAQ's down below that do go over a couple of different things that may help if you do run into any issues.https://community.quicken.com/discussion/7426176/quicken-mac-faq-list-of-mac-faqs#latestIf you are having any issues in particular let us know and we can take a deeper look.
Most database files need periodic maintenance to optimize indeces and defrag the file.
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