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I have hundreds of letters and documents which I would like to access through document manager and categorise into different folders for ease of access. Is this possible as in Word?

Is there any way to track changes and check tracked changes of word documents. Also can you generate a table of contents. I have tried to import my letterhead from word but my graphic does not appear to import. Also any way to place comments in document? As a lawyer, the program speed is fantastic a...