NOTE: For users not running macOS Monterey, the 'V9' part of the above file path will be different - e.g. After the Go to Folder window appears, type (or copy and paste) the following file path: ~/Library/Mail/V9/MailData.Since that didn't resolve your issue, I would try manually reindexing your mail data. Rebuilding mailboxes was certainly a good place to start. unintended consequences due to blocked users or Mail rules.macOS being unable to find (or having delays in finding) the relevant message data.an unresponsive macOS at the time (usually due to issues with Mail Data, but also possibly for unrelated reasons).Your Mailbox(es) are bloated with years and years worth of email data.Unfortunately, this is not unheard of and there's a number of reasons this can happen, such as:

(I'm pretty sure my problem would be solved if I'd make a fresh install and then import data and make the settings manually instead of restoring from backup but I cannot do that currently.)ĭo you have any idea how to solve that problem? Is there any error log I can check?

I even completely erased the system, made a fresh install of macOS and then restored data from a backup. Also reinstalling macOS (keep data but reinstall macOS) didn't help. I click from e-mail to e-mail and they all show that behavior. This not only happens to one e-mail but often to multiple e-mails simultaneously. Sometimes I can make the content visible by clicking on another e-mail and then back to that e-mail. Sometimes I just have to wait a few seconds to see the content. When that happens the content preview in the e-mails list is visible as usual as well as the e-mail header. This also happens when I disable internet connection. There's no This message has no content message or similar. It's the same with e-mails with and without attachment. All these e-mails are already downloaded and often only a few KB in size. This happens with all my e-mail accounts. Sometimes when I click on an e-mail in the list of e-mails, no matter in which folder (inbox, sent …), the header (from, to, subject, date) gets shown as usual but the e-mail content is empty, just white space. I don't know when it started but there's a problem I have since some months:

Macos mail