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Litera announces Clean+ cloud metadata cleaning service for law firms

Litera launched Clean+, a cloud metadata cleaner for Outlook trusted by 42% of the market. It strips hidden data from email attachments without requiring on-premise servers.

2 min read
Legal

Litera, a legal AI platform provider, announced Clean+, a cloud-hosted metadata cleaning service that removes hidden document data from outbound email attachments across all Outlook environments. The service, which becomes generally available on June 30, eliminates the need for law firms to provision, patch, or maintain their own servers, shifting the infrastructure burden to Litera.

Clean+ is the latest evolution of the company's Metadact Server technology, now rebranded under the Clean product line. It routes every outbound attachment through Litera's hosted server, enforcing a single metadata removal policy across classic Outlook, new Outlook, Outlook for Mac, Outlook for Web, and mobile devices.

Metadata risk grows as AI accelerates drafting

With more firms adopting AI for legal tasks, the volume of outbound documents is climbing, and so is the risk of accidental metadata exposure. A single missed scrub can expose privileged work, breach client confidence, or trigger a legal ethics inquiry. Probabilistic AI tools cannot be trusted to decide what metadata stays and what gets stripped, Litera said. Clean+ relies on a deterministic, rules-based engine refined over 30 years and trusted by 42% of the market, according to the 2025 ILTA Tech Survey.

"The practice of law runs on trust, and hidden document data breaks it," said Joey Benedek, Senior Vice President of Product Management at Litera. "As AI accelerates how lawyers draft and collaborate, the volume of outbound documents is climbing and so is the risk. Clean+ gives IT leaders the server-class protection their firm depends on without the infrastructure burden that has always come with it."

How Clean+ fits into the Clean brand

The launch consolidates the Metadact line under the Clean brand, creating a clear tier of protection: Clean Desktop, Clean Cloud, Clean Server, and Clean+. Clean+ is available as a standalone package and is also included in Draft Advanced, Litera's end-to-end AI drafting suite. Existing Metadact Server customers will receive dedicated migration support.

Litera will demonstrate Clean+ at LegalTechTalk in London, June 17-18, 2026. The company serves over 15,000 global customers and 2.3 million daily users, including 99% of the Am Law 100. Its tools are integrated directly into Microsoft 365 and Google Workspace.

Metadata mistakes can lead to serious ethical and reputational consequences. With Clean+, IT teams at law firms gain a fully managed service that enforces consistent metadata removal across every email client and device, reducing the risk of human error. For lawyers, that means sending documents with confidence that hidden data won't undermine client trust. The shift to a cloud-hosted model also frees up IT resources, a critical factor as firms adopt more AI-driven workflows that increase document output.

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