Formats, Limits & Shortcuts
The hard facts in one place — supported import/export formats, upload limits, character caps, keyboard shortcuts, and where each feature lives.
Last updated: June 24, 2026
The dry facts, gathered in one place so the rest of the docs can link here instead of repeating them.
Import & upload
| What | Formats | Size limit | How many |
|---|---|---|---|
| Import into an article | .docx, .doc, .txt, .md (no PDF) | — | one file |
| Upload to materials | .pdf, .docx, .txt, .md | 20 MB each | up to 3 |
| Upload images | JPEG, PNG, GIF, WebP | 5 MB each | up to 5 |
A PDF can't be imported into an article, but it can go into your materials library, where it's summarized for you. See Finding Sources & Images with AI.
Export
| Setting | Options |
|---|---|
| Formats | Markdown, Word (.docx), TXT, PDF |
| Scope | the current article, or a whole project merged into one file |
Details: Getting Started.
Content limits
| Item | Limit |
|---|---|
| Inspiration entry | 2,000 characters |
| Memory entry (each: account, project, article) | 2,000 characters |
Keyboard shortcuts
| Action | Keys |
|---|---|
| Continue your text (Tab completion) | Tab |
| Accept a suggestion | Enter or Tab |
| Reject a suggestion | Esc (or keep typing) |
| New article | Ctrl + J |
| Heading block | ⌘/Ctrl + Alt + H |
| List block | ⌘/Ctrl + Alt + L |
| Code block | ⌘/Ctrl + Alt + C |
| Inline code | ⌘/Ctrl + Alt + I |
| Insert image | ⌘/Ctrl + Alt + P |
There's no manual save shortcut — Muses autosaves every few seconds. See Your Work Is Safe.
Where each feature lives
| Feature | Where to find it |
|---|---|
| New article | My Articles → New Article (or Ctrl + J) |
| Add an article to a project | open an article → left Articles tab → + |
| AI chat | right panel on desktop; swipe to the third page on a phone |
| Work modes | the mode picker in the chat input |
| Model picker (Default / Prime) | the top of the AI chat |
| Tab completion | just press Tab while writing |
| Export | the export dialog in the editor |
| Version history & restore | from the editor |
| Star power balance | the indicator in the app, plus your star power page in your profile |
| What the AI remembers | the memory manager — see What the AI Remembers |