Arc's makers have announced the end: new accounts were blocked on 22 October 2026, mobile sign-in and tab sync end on 23 November, and Arc stops working on macOS and Windows on 22 December 2026, according to The Browser Company's sunset key dates article. The company points users to Dia and says Spaces become Profiles, and that folders, pinned tabs and your data (passwords, bookmarks, extensions, history) import.
If Spaces kept your projects apart, your options are:
- Dia, the shortest path if you liked Arc as a browser. Its makers say the Arc features you use are free and the AI is optional.
- Tab groups in the browser you already use. Chrome can save them so you can reopen them later; a deleted group is also removed on other devices signed in to the same Google Account. Edge has Workspaces.
- A project-space extension such as Workona, which treats spaces as named browser windows and autosaves them when closed. Free accounts have a space limit.
- A desk, if the tabs belong to a task with output. A Plexii desk puts a live browser window next to the document, table and notes, and reopens where you left off.
A desk is not a browser replacement. Pages need an internet connection, extensions can only be added from an unpacked folder, and it is not a bulk saver for 80 tabs. Sort them first by what each is for.
Whatever you choose, export your Spaces and tabs, or import them into Dia, before 22 December. The full guide has a comparison table, an afternoon migration plan and links to each product's documentation.
Read the full post: Plexii vs Arc and browser tab managers
Plexii is free to download for Mac and Windows: https://plexiidesk.com/download
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