Sharing design data just got safer! In today’s highly collaborative design industry, sharing drawings over the Internet is a must. When you transmit your drawings electronically, make sure they are secure with the Digital Signature Extension—the solution for digitally signing and authenticating AutoCAD® DWG and eTransmit drawings.

Feature	Function	Benefit
Select Digital ID	Allows users to choose from different digital identities.	Use different Digital IDs in different circumstances. For instance, a con-tractor working for two companies can use different IDs on each project.
Attach Digital Signature	Attaches digital signatures to single or sets of DWG, DWT, DWS, or eTransmit files.	Simple and intuitive interface for attaching digital signatures. Sign large numbers of files in a single operation.
Time Stamp	Includes optional time stamp with signature.	Document exactly when files are signed. Allows recipient to easily identify most recent copy.
Digital Signature Verifier (Windows)	Displays digital signature in Windows Properties page.	Quickly identify signed files and verify signatures without opening the AutoCAD® or AutoCAD platform–based application.
Signature Validate (AutoCAD platform)	Validates digital signature in current base drawing and all attached reference drawings.	Easily validate multiple signatures on composite drawings.