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Make disclosure swift, secure, and defensible

Speed through pre-diligence disclosure without unwanted exposure. Protect sensitive deal information, and retain a complete deal record for lasting confidence.
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  • a woman talking to a man
    Guard against exposure

    Redact all sensitive content and PII before anything reaches a bidder, and lose no more sleep over regulatory breaches or reputational risk. Set rigorous permissions down to the level of individual documents, so that no one sees what they shouldn’t.

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    Remain protected indefinitely

    Guard against any future claims, inquiries, or lawsuits by retaining a complete record of the deal exactly as it happened – storing it securely with Datasite for as long as you need it, at no extra cost. Prove exactly what was disclosed, when, and to whom, retrieving data instantly from searchable, legally defensible archives. This secure storage is automatically included, at no extra cost.

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    Stay secure with data room AI

    Maintain full deal security when using AI assistants. Harness Claude, Copilot, or ChatGPT in the first data room certified ISO/IEC 42001 for AI governance, alongside Datasite’s Blueflame AI assistant. The AI respects all permissions and works only with the data room content – nothing else gets in and nothing gets out. Datasite’s AI tools summarize documents, surface key themes, and retrieve the exact document that answers the question, in seconds.

Redact securely across whole data rooms

Deliver flawless redaction at scale to previously impossible deal deadlines and eliminate the liability risks. Automatically flag 120+ types of sensitive data, including PII, across all file types including Excel. Then just check and approve redactions in one secure space. Finish the job in minutes and know nothing’s been missed.

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Control permissions precisely

Prevent illicit content access while minimizing friction, by controlling buyer permissions right down to the document level. Specify exactly which folders and files each buyer group can see, and set different tiers of accessibility (e.g. view but not download). Then adjust access in real time as the process evolves. Preview the data room exactly as each buyer group views it, and ensure no reviewer ever sees more than they are meant to see.

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Find the hidden deal-killing clauses

Be the perfect threat detector for your clients, sifting thousands of pages in seconds for the clauses that kill deals: change-of-control, assignment, most favored nation clauses, indemnity caps, undisclosed litigation, and more. Reveal key themes, understand complex clauses, and retrieve the exact documents you need. Find whatever tired eyes might miss, and cover every angle.

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Make Q&A quick and watertight

Speed through the Q&A phase without the risks. Ensure every answer your team sends back is fully verified and correctly routed – not a potential time bomb leading to representation, privilege waivers, or future discovery. Control the whole process, review and approve all responses, catch inconsistencies, and find anything instantly. Retain a complete, time-stamped record to meet any post-close claim with confidence. All team training is included, too – courtesy of Datasite Assist.

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Preserve full diligence records

Get unlimited archiving included with every project, for lasting security and confidence. In the event of future claims, investigations, or allegations about the deal you’ll have every document version, Q&A exchange, permission change, view, and download stored – all time-stamped and tamper-proof. You can also snapshot the room at any point during the deal and retrieve the full record on demand years later.

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Trusted by those who close the world's most complex deals

  • The new redaction tool has significantly reduced the amount of time I spend reviewing and managing documents!

    Associate, Major U.S. Law Firm

  • Data room security and top-notch customer experience consistently make you an easy choice for our deals.

    Partner, Major U.K. Law Firm

  • I find that it saves me time and creates smoother workflows, offering higher confidence in security, faster and more efficient review cycles, and better coordination and visibility, which overall contributes to reducing operational risk.

    Incentivized review via G2 posted on 12/17/2025

    Dharmisha, Senior Legal Executive

The first data room certified for AI governance

Guard against the security risks of third-party AI, by using the first data room certified ISO 42001 for AI governance. Datasite will never retain or use data from either you or your client to train AI, and your data never leaves the secure environment.
ISO/IEC 42001
First data room provider certified
55,000+
M&A deals run annually
326k+
Law firm users
Top 9
Global law firms use Datasite

Protect privilege, prevent exposure, preserve a record

Run pre-diligence disclosure securely. Precisely control permissions, redact sensitive content, and make sure nothing gets missed. Then keep a clean record of the disclosure process that proves your reputation – always.