PDF 通常上鎖都是整個檔案上鎖，而 PDF Page Lock 這款工具比較特殊，他可以針對單個、多個頁面進行上鎖與隱藏，在使用上還頗特殊的，譬如說傳遞某檔案...
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2023年11月8日 — Go to All tools > Protect a PDF. From the Protect a PDF toolset in the left pane, select Encrypt with ...
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Drag & drop your PDF into the toolbox above. · Enter and repeat the password you'd like to set. · Click “Encrypt PDF...
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How to add passwords and permissions to PDF files: Open a file in Acrobat and choose “Tools” > “Protect.” Select whet...
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Click the Select a file button above, or drag and drop a PDF into the drop zone. · Enter a password, then retype it to c...
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How to Password Protect Digitally Signed PDF Documents. 1. Open the PDF and choose File > Print > Adobe PDF > P...
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2023年12月18日 — Select the file or drag it onto the screen, create a password, and then click the Protect PDF files butt...
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Once you uploaded your PDF, you can choose to add a password to secure your PDF file. To do so, either drag & drop y...
how to add pw to pdf 參考影音
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