diff --git a/src/workspaces/officerdev/src/apps/FileBrowser/FileBrowserApp/useFileBrowserApp.ts b/src/workspaces/officerdev/src/apps/FileBrowser/FileBrowserApp/useFileBrowserApp.ts
index 590717d2..657df1f1 100644
--- a/src/workspaces/officerdev/src/apps/FileBrowser/FileBrowserApp/useFileBrowserApp.ts
+++ b/src/workspaces/officerdev/src/apps/FileBrowser/FileBrowserApp/useFileBrowserApp.ts
@@ -109,19 +109,27 @@ export const useFileBrowserApp = (
     // which is the distinction a wholesale reset kept getting wrong.
     if (urlPath) navigate({ pathname: folderHref(path), search: withoutViewerParams(location.search) });
     else if (pathParam) {
-      setSearchParams(
-        (prev) => {
-          const next = new URLSearchParams(withoutViewerParams(prev.toString()));
-          // The base folder is the ABSENCE of the param, so a link to the top of an embedded browser is
-          // the plain screen URL and nothing accumulates for having gone nowhere.
-          const relative = path.startsWith(basePath) ? path.slice(basePath.replace(/\/$/, '').length + 1) : '';
-          if (!relative) next.delete(pathParam);
-          else next.set(pathParam, relative);
-          return next;
-        },
-        // Browsing folders is not navigation anybody wants twenty back-button presses of.
-        { replace: true },
-      );
+      /*
+        PUSHED, not replaced — so Back and Forward move between folders.
+
+        This was `replace` on the argument that browsing is not navigation worth a history entry. That
+        was wrong, and wrong in a way the URL itself gives away: the moment a folder is addressable, it
+        is a place, and Back meaning "the folder I was just in" is what anybody expects of a place. It
+        also matches `/files`, which pushes — an embedded browser behaving differently from the full one
+        is a difference nobody can see a reason for.
+
+        Reading is unchanged: `currentPath` is derived from the param, so a Back that rewrites the query
+        moves the browser with it and needs nothing here.
+      */
+      setSearchParams((prev) => {
+        const next = new URLSearchParams(withoutViewerParams(prev.toString()));
+        // The base folder is the ABSENCE of the param, so a link to the top of an embedded browser is
+        // the plain screen URL and nothing accumulates for having gone nowhere.
+        const relative = path.startsWith(basePath) ? path.slice(basePath.replace(/\/$/, '').length + 1) : '';
+        if (!relative) next.delete(pathParam);
+        else next.set(pathParam, relative);
+        return next;
+      });
     } else {
       setLocalPath(path);
       // Written here rather than in an effect on `currentPath`, so it records a NAVIGATION and not the