ChemDraw

ChemDraw admin

• ChemDraw Perpetual Maintenance Renewals Ending July 1, 2026
• How can a ChemDraw site admin make sure that a user and/or users do not continue to access their license?
• Old Versions to be Removed from Download Center. Download Backups Now
• How do I install ChemDraw in my Windows PC?
• How can a ChemDraw account administrator view the exact number of licenses currently in use?
• How do I access my Site ChemDraw subscription?

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Installation and activation

• How do I Update my ChemDraw Activation Code?
• What is Signals ChemDraw, and free trial
• Common Login Problems and Solutions, ChemDraw, ChemOffice, TIBCO Spotfire, Signals Notebook or Signals Research Suite
• How do I buy ChemDraw?

Link to producer's support

• Contact support directly, and FAQ

FAQs

• ChemDraw 19.0 gives " An unexpected error occurred (#-50)" message when opening files created with previous versions.
• Mac - Installed ChemDraw 19.x or 18.x and it crashes with an "unexpected" error as soon as you start it.
• While trying to edit the value in the Stoichiometry Grid, ChemDraw 19.0 crashes. How to fix this problem?
• While running the ChemDraw/ChemOffice Installer I am getting 'Non-7z archive' error
• How do I enable extended copy/paste functionality for ChemDraw Cloud?
• When I activate ChemDraw I receive the ERROR: enabling clock windback detection