目录

# Sign Existing PDF

LibreOffice 可以数字签名现有的 PDF 文档。

要访问此命令...

#### From the menu bar:

Choose File - Digital Signatures - Sign Existing PDF.

#### From the tabbed interface:

Choose File - Sign Existing PDF.

On the File menu of the File tab, choose Sign Existing PDF.

#### From toolbars:

Sign Existing PDF

The PDF document opens in LibreOffice Draw in read only mode.

与往常一样签署 PDF 文档。

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