Your documents and AI, in one private workspace.
Write, calculate, present and sign. AI helps everywhere. Your data stays yours.
- AI on your own computer
- Private mode: nothing leaves
- Works offline
- Opens almost any file
One app
Everything you work on, together.
Documents
Word-class editing, tracked changes, references and equations.
Spreadsheets
Formulas, charts and dynamic arrays. Opens Excel files.
Presentations
Slides, themes, charts and speaker notes. Opens PowerPoint.
Edit, annotate, fill, redact, sign and combine.
Calendar, plans, diagrams
Schedule, plan projects and draw, in the same place.
Any file
Opens and saves a large share of today’s formats.
AI
AI beside every file.
- Ask about anything. Summarise a PDF, explain a spreadsheet, rewrite a slide.
- Fix mistakes as you type. Spelling, grammar and style, with one-click fixes.
- Free models on your computer. Pick one, it downloads and is ready. No account.
- Or any AI you choose. Claude, ChatGPT, Gemini and more, with your own key.
- Share across your team. Use the AI on another computer in your office or VPN.
Privacy
Private by design.
Stays on your device
Files are encrypted on your computer. Nothing is uploaded unless you choose.
Private AI mode
Turn it on and nothing can leave your computer or organisation.
Proof, not promises
Every connection is logged. See exactly where data went.
For organisations
Control for security teams.
- Roles. Seven roles, from Administrator to Guest.
- Data loss prevention. Card numbers, IDs and health data are caught before they leave.
- Passwords on files. Protect Word, Excel, PowerPoint, PDF and FABRIC files.
- Security dashboard. Compliance score, AI use and a tamper-evident audit log.
Get MASK FABRIC
Free during the preview.
Windows 10 or 11, 64-bit. Private AI needs 8 GB of memory (16 GB recommended).