Data room confidential mode allows administrators of virtual data rooms to restrict a particular user’s use of the VDR based on their IP address or device type. It is a valuable tool for M&A transactions as well as other delicate business ventures.

A good service will permit users to set granular permissions and use two-factor authentication. They will also offer a remote shred feature that removes downloaded files when an administrator removes access. They will also be able handle the most popular formats for files that include PDFs and Excel XLSXs. The top providers can add a watermark on files that users download to keep users from sharing leaked copies files online. They can even specify a time limit for files downloaded to prevent downloads that are not authorized.

Other useful tools include redaction, which allows the administrator to block (black out) portions of text or particular areas of a document from view of authorized users. This feature is important because it will protect the personal information of all users and critical business data from hackers. Most reliable VDR providers can rewrite PDF, Doc, Docx, PPTX, TXT, PPTX GIF, JPG and Q&A files.

Some providers will let users print out documents which will automatically include a watermark and they can also permit users to download the original version of a file. A good provider will offer a question-and-answer function that allows users to talk about files in the dataroom and keep answers in the form of a searchable database. This is a great feature for M&A deals as well as any due diligence project.