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Data room confidential mode permits the administrator of a virtual data room to restrict the use of the VDR by a particular user based on IP address or device type. It is a useful tool for M&A transactions as well as other delicate business ventures.

A good service will permit users to create granular permissions, and also use two-factor authentication. They will also provide a remote shred feature that deletes documents downloaded after administrators block access. In addition, they will be able to handle most common formats for files, such as PDFs and XLSXs. The top providers will be able to apply a watermark on files that users download which will help deter users from sharing leaked copies files online. They can also set an expiration date for the files downloaded to prevent downloads that are not authorized.

Other useful tools include redaction. It allows the administrator to erase (black out) portions of text or specific sections of a document from view of authorized users. This feature is vital because it shields sensitive business data as well as personally identifiable information from hackers. The most reliable VDR providers can erase PDF, doc documents, txt or ppt, jpg and gif files and Q&A attachments.

Some providers allow users to print documents that automatically include a “watermark” and even download the original version. A good service will provide users with the ability to ask questions and answer which allows them to talk about files in the data room and keep answers in an easily searchable database. This is a useful tool for M&A transactions or any other due diligence project.