You create a Perplexity Collection to organize your research threads, but the threads you add disappear after you close the browser or refresh the page. This problem occurs when the browser’s local storage becomes corrupted or when the user account sync fails to write thread metadata to Perplexity’s servers. This article explains the root cause … Read more
If you use Perplexity Collections to organize your research threads, you may notice the threads appear in a confusing sequence. Instead of showing the most recent thread at the top, the list may display old threads first or seem randomly sorted. This happens because Perplexity offers multiple sort options and the default setting may not … Read more
You have a Perplexity thread with useful answers, sources, or research. You want to organize it so you can find it later without scrolling through your entire history. Perplexity Collections let you group related threads by topic, project, or priority. This article shows you how to save a thread to a new or existing Collection … Read more
Perplexity offers two features for organizing your search results and conversations: Collections and Spaces. Many users see both options in the interface and wonder which one to use and whether one replaces the other. The short answer is that Spaces is the newer feature that fully replaces Collections, though Collections still exist for legacy use. … Read more
Perplexity introduced Spaces, a new way to organize searches, threads, and files in one place. Your old Collections remain in the sidebar but do not automatically convert to Spaces. If you want to use Spaces features such as shared workspaces, custom instructions, and file uploads, you need to move your saved threads manually. This article … Read more
You created a Collection in Perplexity, then migrated it to a new account or workspace. Now the Collection shows up, but you cannot rename it, add new sources, or delete items inside it. This problem happens because the migration process does not transfer ownership permissions for the Collection metadata. This article explains why the lock … Read more
You have asked questions in Perplexity and saved threads to review later. But when you open the Library, you see a list of threads without a clear way to locate a specific one. The Library stores all your past conversations, but finding a particular thread can be time-consuming if you do not know the search … Read more
After logging into Perplexity, your Library may show zero threads or only a few recent ones. This happens when the browser stores a stale session token or when the account sync fails during authentication. This article explains why threads disappear after login and provides four proven methods to restore your full thread history. The root … Read more
When you use Perplexity to research and save information, your Library can grow quickly with hundreds of threads, collections, and sources. Finding a specific thread from last month or a collection about a particular topic becomes difficult without filtering tools. Perplexity provides built-in filters that let you sort and narrow your Library by date range … Read more
When you use Perplexity Library Search and get zero results, you cannot find saved articles, PDFs, or collections. This usually happens because the search does not look at your personal library by default. Instead, it searches the public web unless you change the source. This article explains why the library search fails and how to … Read more