PDF_ File Extension

What is PDF_ file?

PDF_ filename suffix is mostly used for Adobe Acrobat Portable Document files. Adobe Acrobat Portable Document specification was created by Adobe Systems Incorporated. PDF_ files are supported by software applications available for devices running Windows. PDF_ file format, along with 574 other file formats, belongs to the Document Files category. The most popular software that supports PDF_ files is Adobe Acrobat. On the official website of Adobe Systems Incorporated developer not only will you find detailed information about theAdobe Acrobat software, but also about PDF_ and other supported file formats.

Programs which support PDF_ file extension

Below is a table that list programs that support PDF_ files. PDF_ files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

How to open file with PDF_ extension?

There can be multiple causes why you have problems with opening PDF_ files on given system. What is important, all common issues related to files with PDF_ extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. We have prepared a listing of which will help you resolve your problems with PDF_ files.

Step 1. Install Adobe Acrobat software

Problems with opening and working with PDF_ files are most probably having to do with no proper software compatible with PDF_ files being present on your machine. To address this issue, go to the Adobe Acrobat developer website, download the tool, and install it. It is that easy Above you will find a complete listing of programs that support PDF_ files, classified according to system platforms for which they are available. If you want to download Adobe Acrobat installer in the most secured manner, we suggest you visit Adobe Systems Incorporated website and download from their official repositories.

Step 2. Check the version of Adobe Acrobat and update if needed

You still cannot access PDF_ files although Adobe Acrobat is installed on your system? Make sure that the software is up to date. Software developers may implement support for more modern file formats in updated versions of their products. If you have an older version of Adobe Acrobat installed, it may not support PDF_ format. The most recent version of Adobe Acrobat is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Associate Adobe Acrobat Portable Document files with Adobe Acrobat

If the issue has not been solved in the previous step, you should associate PDF_ files with latest version of Adobe Acrobat you have installed on your device. The method is quite simple and varies little across operating systems.

The procedure to change the default program in Windows

• Right-click the PDF_ file and choose Open with option
• Click Choose another app and then select More apps option
• To finalize the process, select Look for another app on this PC entry and using the file explorer select the Adobe Acrobat installation folder. Confirm by checking Always use this app to open PDF_ files box and clicking OK button.

The procedure to change the default program in Mac OS

• Right-click the PDF_ file and select Information
• Proceed to the Open with section. If its closed, click the title to access available options
• From the list choose the appropriate program and confirm by clicking Change for all....
• A message window should appear informing that This change will be applied to all files with PDF_ extension. By clicking Continue you confirm your selection.

Step 4. Ensure that the PDF_ file is complete and free of errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the PDF_ file in question. Being unable to access the file can be related to various issues.

1. The PDF_ may be infected with malware – make sure to scan it with an antivirus tool.

Should it happed that the PDF_ is infected with a virus, this may be that cause that prevents you from accessing it. Scan the PDF_ file as well as your computer for malware or viruses. If the PDF_ file is indeed infected follow the instructions below.

2. Ensure the file with PDF_ extension is complete and error-free

If you obtained the problematic PDF_ file from a third party, ask them to supply you with another copy. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. If the PDF_ file has been downloaded from the internet only partially, try to redownload it.

3. Verify whether your account has administrative rights

Sometimes in order to access files user need to have administrative privileges. Log in using an administrative account and see If this solves the problem.

4. Make sure that the system has sufficient resources to run Adobe Acrobat

If the systems has insufficient resources to open PDF_ files, try closing all currently running applications and try again.

5. Verify that your operating system and drivers are up to date

Latest versions of programs and drivers may help you solve problems with Adobe Acrobat Portable Document files and ensure security of your device and operating system. It is possible that one of the available system or driver updates may solve the problems with PDF_ files affecting older versions of given software.

Do you want to help?

If you have additional information about the PDF_ file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on PDF_ file.