The Compare Documents option enables you to compare the currently open document with a document in an iManage Work library.
On the iManage tab, select Compare, and select Compare in the list.
The Compare iManage Documents dialog box appears.
Select the Original document and Revised document you want to compare.
Select the Comparison settings. The check boxes enable you to choose the exact parameters for comparison, which include:
Insertions and deletions (always checked by default)
Headers and footers
Footnotes and endnotes
Select whether you would like the changes to be shown at the Character level or the Word level.
Select whether you would like the changes to be shown in the Original document, the Revised document, or in a New document.