How to Get a Searchable History of Everything You Did on Your Computer

"What was that page I had open on Tuesday?" "Which file did I send before the call?" Your computer did all of it, but finding it again means digging through browser history, Recent files and your Downloads folder one by one. A searchable computer history puts all of that in one place, searchable by words and by time.

Here's what Mac and Windows already keep for you, where it falls short, and how to get a complete, private history of everything you did on your computer.

What your computer already keeps

• Browser history. Every browser keeps one: ⌘ Y in Safari and Chrome on Mac, Ctrl + H on Windows. It searches page titles and addresses, not what was on the page, and it's gone when you clear it. Lost a page? See how to find a website you visited last week.
• Recent files. On a Mac, Finder's Recents lists files you opened lately. On Windows, File Explorer's Home shows recent files. Both list names, not what's inside, and only for a while.
• Clipboard history. Windows keeps your last 25 copies with Win + V (once you turn it on), cleared when you restart. On a Mac, how much is kept depends on your macOS version. See clipboard history on Mac and Windows.
• Windows Timeline used to show what you did by day, but Windows 11 removed it.

Where that falls short

Each of these keeps one kind of thing, in its own place, by name only. None of them can answer "what was I doing on Thursday afternoon?" or "the PDF that mentioned the deposit", and none of them puts pages, files, screenshots and copied text side by side in time order.

Build a searchable computer history

Trailback keeps one timeline of what you did on your computer, on Mac and Windows:

• the web pages you visit, through a free browser extension (kept even if you clear your browser history);
• the files and PDFs you open, save or download;
• the screenshots you take, and the words in them;
• the text you copy (passwords, codes and card numbers are skipped).

It reads the words inside documents and screenshots, so the whole history is searchable by content, not just by name.

Search it by time

Open History and pick a moment, like "Yesterday afternoon" or "Last Friday, 3 PM". Trailback shows the pages, files and screenshots from then, in order, with how long you were active. One click on Reopen all opens them again, right where you left off.

You can also mix words and time in a search: "client numbers sheet from Thursday" or "the invoice from last month".

Turn a day into a report

Need a record of your day, for a timesheet or a work journal? Settings → Storage → Export memory saves any day or period as a readable Day report, in your own time zone, to paste wherever you like. The file isn't locked, so keep it somewhere safe. If you use Claude, Codex or Cursor, you can also let them read your day and write a journal for you; that's off until you turn it on. See the daily work journal guide.

Keep it private

A history of everything you did is personal, so it should stay with you. Trailback works 100% offline: no account, no cloud, and everything is stored encrypted on your computer. It never records your screen, skips private browser windows, and you can pause it, exclude apps and websites, or delete an hour, a day or everything.

Want to compare other tools first? See apps that remember everything on your computer, or read how to see what you were working on yesterday.

Written by Pavan GK

Pavan is the founder of Trailback, a private, offline app for Mac and Windows that helps you find anything on your computer by describing it. He builds it at Hara Infotech in Hyderabad.