我有些 Excel PPT 檔案想用嚟見工用,

有無辦法證明個 file 嘅作者是自己,而又不會被別人拿去話自己的?
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傑洛 發表於 2021-11-22 11:37


you can only protect certian fields in excel.

for PPT, just export to pdf.  Think more on why this is the way to do.

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