The sharper distinction is between professional document infrastructure and everyday legal operations. iManage Work is built for firms that treat documents and email as high-value knowledge assets. MyCase is built for firms trying to simplify the whole practice record. That keeps the choice practical.
Email-Centered Work: iManage Work is much stronger when email belongs inside the document-management conversation. For firms where client correspondence, attachments, and matter history are inseparable, that advantage is difficult for a practice-management suite to match. That keeps the choice practical. That matters during rollout.
Small-Firm Simplicity: MyCase can be the better lived experience for smaller firms that do not need enterprise DMS depth. Its value is the convenience of keeping documents close to matters, billing, communication, and calendar tasks. That keeps the choice practical. That matters during rollout.
Implementation Reality: iManage Work deserves planning because it can reshape document behavior across a firm. MyCase is lighter to introduce, but that same lightness limits how much formal document discipline it can enforce. That keeps the choice practical. That matters during rollout.
Demo evidence: Buyers should make iManage Work and MyCase show the same live workflow, using familiar files and real permission examples. A controlled demo reveals whether the stronger product advantage appears in daily work or only in vendor positioning. That keeps the choice practical.
Governance check: The winner should also fit the team's control model. For legal document management software platforms, that means administrators can explain access, sharing, retention, exports, and exceptions clearly enough that staff do not create parallel folders or side workflows. That keeps the choice practical.
Adoption reality: The practical choice depends on who will keep the system orderly after launch. If attorneys, staff, managers, or external partners cannot follow the filing and sharing routine, even the better-rated option can lose value quickly. That keeps the choice practical.