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Plain answers about keeping, exporting and proving message history on a Mac. No filler, and no promises the software cannot keep.
Keep Messages is set to Forever and messages still disappeared
Forever is a real setting and it does work, but it only governs one kind of deletion on one device. Here are the six other things that remove messages regardless of it, how to tell which one hit you, and what to do about each.
How to preserve text messages before a dispute
A step by step guide to stopping the automatic deletion of text messages, making a second copy that is not on your phone, and producing a record you can hand over later. Written for the point before anybody has asked you for anything.
Can screenshots of text messages be used as evidence?
What a screenshot of a text message actually shows, why the other side can question it, and what a stronger record looks like. Plain English, no legal advice, written for the person who has to produce the messages rather than for a lawyer.
How to prove a text message was not edited
Someone says your texts were altered. Here is what actually settles that question, what a timestamp on a file does and does not show, and how to check any sealed export for free without trusting the company that made it.
Why Messages still has no archive function, and what to do instead
Mail has archive. Every chat app has archive. Apple’s Messages has delete and nothing between it and keeping everything forever. Here is why that gap exists, what the workarounds actually cost, and how to get a thread out of your inbox without losing it.
How to print or export text messages for a court case
A plain English guide to getting text messages off an iPhone or Mac and into a form you can hand to a lawyer or file with a court, including what a screenshot does and does not show, and how to make an export that can be checked by someone who does not trust you.
Why macOS deletes your old messages, and how to stop it
macOS is set to throw away message history on a timer, and the setting is easy to miss. Here is what actually removes your old texts, how to check your own Mac in under a minute, and how to keep the history you still have.
Where iMessages are actually stored on a Mac
Your Mac keeps every iMessage and SMS in a SQLite database inside your home folder. Here is exactly where it lives, what each file does, how to open it safely, and why copying it is harder than it looks.