A signature confirms that the information originated from the signer and has not been altered. Signing certificate and certificate authorityĪ digital signature is an electronic, encrypted, stamp of authentication on digital information such as email messages, macros, or electronic documents. Digital signatures support this change by providing assurances about the validity and authenticity of a digital document.įor more information, see Add or remove a digital signature in Office files. By reducing dependency on paper documents, we are protecting the environment and saving the planet’s resources.
More and more people and organizations are using digital documents instead of paper documents to conduct day-to-day transactions.
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