https://arcamailbackup.com/blog/ Notes from the people who make Arca Mail Backup: backing up email, open formats, and what's new in the app. en Thu, 22 Oct 2026 00:00:00 GMT https://arcamailbackup.com/blog/3-2-1-backup-rule-for-email/ https://arcamailbackup.com/blog/3-2-1-backup-rule-for-email/ Thu, 22 Oct 2026 00:00:00 GMT Three copies, two kinds of storage, one off-site. How to apply the 3-2-1 backup rule to Gmail, Outlook or your hosting email without overthinking it. https://arcamailbackup.com/blog/back-up-outlook-microsoft-365-without-pst/ https://arcamailbackup.com/blog/back-up-outlook-microsoft-365-without-pst/ Wed, 21 Oct 2026 00:00:00 GMT How to back up Outlook.com, Hotmail or Microsoft 365 without relying on PST: the PST's limits, IMAP with Microsoft sign-in, and an open mbox format. https://arcamailbackup.com/blog/arca-vs-mail-backup-x/ https://arcamailbackup.com/blog/arca-vs-mail-backup-x/ Tue, 20 Oct 2026 00:00:00 GMT Mail Backup X backs up IMAP accounts and desktop mail apps on Mac and Windows. Arca saves open mbox files, to NAS or S3 too. How they differ and which to pick. https://arcamailbackup.com/blog/what-is-an-mbox-file/ https://arcamailbackup.com/blog/what-is-an-mbox-file/ Tue, 20 Oct 2026 00:00:00 GMT An mbox file stores many emails in one plain-text file. What's inside, which apps open it, and why the format matters when you're keeping a backup. https://arcamailbackup.com/blog/google-takeout-vs-automatic-backup/ https://arcamailbackup.com/blog/google-takeout-vs-automatic-backup/ Mon, 19 Oct 2026 00:00:00 GMT Google Takeout exports your Gmail as mbox, but it's a snapshot. How it differs from an automatic IMAP backup, and when each one makes sense. https://arcamailbackup.com/blog/how-to-back-up-gmail/ https://arcamailbackup.com/blog/how-to-back-up-gmail/ Thu, 15 Oct 2026 00:00:00 GMT Step-by-step: back up Gmail to your own drive with 2-Step Verification, an app password and IMAP, plus how to handle All Mail, labels, Trash and Spam. https://arcamailbackup.com/blog/cloud-email-is-not-a-backup/ https://arcamailbackup.com/blog/cloud-email-is-not-a-backup/ Wed, 14 Oct 2026 00:00:00 GMT Gmail and Outlook keep your mail running, but they won't save you from a deletion, a closed account or a hijacked login. Here's where your own backup comes in.