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Proviso

Install Proviso in 60 seconds

AI contract review inside Microsoft Word — no separate app, no copy-paste, no data leaving your machine without your key.

Requires Microsoft Word 2019 or Microsoft 365. Works on Mac and Windows.
Manifest URL — you'll paste this into Word
https://proviso.legal/manifest.xml
Step-by-step instructions
  1. 1
    Open Microsoft Word
    Open any document — a blank one is fine.
  2. 2
    Go to Insert → Add-ins
    In the ribbon at the top, click through:
    Insert › Add-ins › Upload My Add-in
  3. 3
    Choose "From URL"
    In the dialog that opens, select From URL (not "From File").
    If you don't see "Upload My Add-in", make sure the Developer tab is enabled: Word → Preferences → Ribbon & Toolbar → check "Developer".
  4. 4
    Paste the manifest URL
    Paste the manifest URL from above and click Install.
    https://proviso.legal/manifest.xml
  5. 5
    Add your API key in Settings
    The Proviso taskpane will open on the right side of Word. Go to the Settings tab and paste your LLM API key.
    You're ready. Open any contract and click Review.
  1. 1
    Open Microsoft Word
    Open any document — a blank one is fine.
  2. 2
    Go to Insert → Add-ins → My Add-ins
    In the ribbon at the top, click through:
    Insert › Add-ins › My Add-ins
  3. 3
    Upload My Add-in
    In the My Add-ins dialog, click Upload My Add-in in the top-right corner.
  4. 4
    Paste the manifest URL
    Paste the manifest URL from above and click Upload.
    https://proviso.legal/manifest.xml
  5. 5
    Add your API key in Settings
    The Proviso taskpane will open on the right side of Word. Go to the Settings tab and paste your LLM API key.
    You're ready. Open any contract and click Review.
Need an API key? Get one from Anthropic, OpenAI, or any major LLM provider. Proviso is provider-agnostic — your key, your model, your data.
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