要將Adobe Acrobat設(shè)為默認(rèn)PDF閱讀器，可通過Windows設(shè)置或Acrobat本身進(jìn)行。 1. 在Windows 10或11中打開“設(shè)置”>“應(yīng)用”>“默認(rèn)應(yīng)用”，找到.pdf文件類型並選擇Adobe Acrobat；2. 若Acrobat未顯示，需先修復(fù)安裝；3. 打開Acrobat進(jìn)入“編輯”>“首選項(xiàng)”>“信任管理器”，勾選“設(shè)為默認(rèn)PDF處理器”；4. 若設(shè)置無效，可嘗試通過運(yùn)行inetcp.cpl重置網(wǎng)絡(luò)和程序關(guān)聯(lián)設(shè)置；5. 檢查第三方應(yīng)用是否強(qiáng)制使用自身PDF查看器；6. 最後可考慮卸載衝突軟件以確保Acrobat成為默認(rèn)程序。

Adobe Acrobat isn't always the default PDF viewer on your computer, especially if you've installed another PDF reader or never set one up in the first place. The good news is, it's pretty straightforward to make Adobe Acrobat your go-to app for opening PDFs — you just need to know where to look depending on your operating system.

How to set Adobe Acrobat as default in Windows Settings

If you're using Windows 10 or 11, the easiest way is through the Settings app:

• Open Settings (you can do this quickly by pressing Windows I )
• Go to Apps > Default Apps
• Scroll down and click on Choose defaults by file type
• Find .pdf in the list
• If it's not already set to Adobe Acrobat, click the current program and select Adobe Acrobat from the list

Sometimes Acrobat might not show up right away. In that case, install or repair Adobe Acrobat on your machine — once it's properly recognized by the system, it should appear in the list.

Change default PDF viewer through Adobe Acrobat itself

Adobe Acrobat has a built-in option that lets you set it as the default when it detects that it isn't already:

• Open Adobe Acrobat Reader DC (or the full Acrobat version)
• Go to Edit > Preferences
• On the left sidebar, choose Trust Manager
• You'll see an option like “Make Adobe Acrobat Reader the default PDF handler”
• Check the box and close the preferences

This method doesn't always work perfectly, especially if another app is stubbornly holding onto the PDF association. But it's worth trying first since it's quick and automatic.

What if it won't stick? Try resetting file associations

Sometimes Windows remembers your old choice, and changing it once isn't enough. Here's how to reset the file association cleanly:

• Press Windows R , type inetcpl.cpl , and hit Enter
• Go to the Programs tab
• Click Reset Web Settings — this often clears up issues with default programs
• Then go back into Settings > Default Apps and try setting Adobe Acrobat again

Also, some third-party apps (like web browsers or other PDF readers) may override your settings. Make sure those apps don't have an option enabled like “Always open PDFs externally” or “Use [their] PDF viewer.”

If all else fails, uninstalling the competing PDF software and then repeating the steps above usually gets Adobe Acrobat to take over properly. It's not complicated, but it can be a bit finicky depending on what else is running on your system.

基本上就這些。

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