PPT如何加密使其只读?如何设置只读权限?
作者:佚名|分类:PPT教程|浏览:130|发布时间:2025-02-12 00:03:14
在当今信息时代,保护文件和演示文稿的隐私和安全变得尤为重要。对于PPT这类常用的演示文稿格式,加密和设置只读权限是确保内容不被未授权访问的有效方法。以下将详细介绍如何加密PPT使其只读,以及如何设置只读权限。
PPT加密使其只读
1. 使用Microsoft PowerPoint自带的加密功能
Microsoft PowerPoint提供了内置的加密功能,可以轻松地将PPT加密为只读格式。
步骤:
1. 打开需要加密的PPT文件。
2. 点击“文件”菜单,选择“信息”。
3. 在“信息”面板中,找到“保护演示文稿”选项,点击“加密演示文稿”。
4. 在弹出的对话框中,输入一个强密码,并确认密码。
5. 点击“确定”后,系统会提示你保存文件。保存时,可以选择一个新文件名或覆盖原文件。
2. 使用第三方软件加密
除了Microsoft PowerPoint自带的加密功能外,还有许多第三方软件可以提供更强大的加密功能。
步骤:
1. 下载并安装一个PPT加密软件,如WinRAR、7-Zip等。
2. 打开PPT文件,选择“文件”菜单,然后选择“另存为”。
3. 在“另存为”对话框中,选择一个压缩格式,如RAR或ZIP。
4. 在压缩文件设置中,选择“设置密码”选项,并输入一个强密码。
5. 点击“确定”后,保存压缩文件。现在,PPT文件被加密,并且只能通过解压并输入密码才能打开。
如何设置只读权限
1. 使用Windows文件权限设置
在Windows操作系统中,可以通过文件权限设置来限制对PPT文件的编辑权限。
步骤:
1. 右键点击PPT文件,选择“属性”。
2. 在“属性”窗口中,点击“安全”标签。
3. 在“安全”面板中,找到需要设置权限的用户或组,然后点击“编辑”。
4. 在“权限”窗口中,取消勾选“允许”列中的“完全控制”选项,只保留“读取”权限。
5. 点击“应用”和“确定”保存设置。
2. 使用宏和VBA设置只读
通过VBA宏,可以在PPT中添加一个按钮,点击后使演示文稿变为只读。
步骤:
1. 打开PPT文件,按下`Alt + F11`打开VBA编辑器。
2. 在“插入”菜单中选择“模块”,在打开的模块窗口中输入以下代码:
```vba
Sub SetReadOnly()
Dim mySlide As Slide
For Each mySlide In ActivePresentation.Slides
With mySlide
.SlideShowTransition.EntryEffect = msoFade
.SlideShowTransition.Speed = msoFast
.SlideShowTransition.Duration = 1
.SlideShowTransition.SoundEffect = msoNone
.SlideShowTransition.SoundEffectEntry = msoNone
.SlideShowTransition.SoundEffectExit = msoNone
.SlideShowTransition.SoundEffectMiddle = msoNone
.SlideShowTransition.SoundEffectAfter = msoNone
.SlideShowTransition.SoundEffectBefore = msoNone
.SlideShowTransition.SoundEffectAfterShow = msoNone
.SlideShowTransition.SoundEffectAfterHide = msoNone
.SlideShowTransition.SoundEffectAfterFirst = msoNone
.SlideShowTransition.SoundEffectAfterLast = msoNone
.SlideShowTransition.SoundEffectAfterNext = msoNone
.SlideShowTransition.SoundEffectAfterPrevious = msoNone
.SlideShowTransition.SoundEffectAfterFirstShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstHide = msoNone
.SlideShowTransition.SoundEffectAfterFirstNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstPrevious = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHide = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowPrevious = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHidePrevious = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPrevious = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHide = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHidePrevious = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHide = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePrevious = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHide = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePrevious = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHide = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePrevious = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHide = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePrevious = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShow = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHidePreviousShowHideNext = msoNone
.SlideShowTransition.SoundEffectAfterFirstShowHideNextPreviousShowHideNextPreviousShowHidePrevious