GroupDocs.Merger allows to check document for password-protection. The result will be true if document has password for opening set, in other case false will be returned.
Here are the steps to check document password-protection:
The following code sample demonstrates how to check document password-protection.
boolean isPasswordSet = false; String filePath = "C:\sample.xlsx"; Merger merger = new Merger(filePath); isPasswordSet = merger.isPasswordSet();
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