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View or change the properties for an Office file - Microsoft Support
Document properties, also known as metadata, are details about a file that describe or identify it. They include details such as title, author name, subject, and keywords that identify the document's topic or contents. If you include the document properties for your files, you can easily organize and identify them later.
Insert ASCII or Unicode Latin-based symbols and characters
ASCII and Unicode character encoding enables computers to store and exchange data with other computers and programs. Below are lists of frequently used ASCII and Unicode Latin-based characters. For Unicode characters for non-Latin-based scripts, see Unicode character code charts by script.