Home Tech Fix – Can’t Highlight PDF in Adobe Reader Problem

Fix – Can’t Highlight PDF in Adobe Reader Problem

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how to enable highlight option in adobe reader

A PDF file is one of the most popular portable document formats that is developed by Adobe. It is platform independent document which can be carried anywhere. However, a PDF file is able to save text, image, graphics, hyperlinks, etc. and it can be viewed and printed on any platforms. It is also able to add password protection, highlight, and comments. PDF files may contain lengthy documents that are difficult to read. So, with the help of highlight feature of Adobe Reader, users can organize their notes and makes it easier to find crucial information. But, sometimes it has been noticed that many people can’t highlight PDF in Adobe Reader due to many reasons. So, in this post, we will discuss the reason behind this problem and provide you the reliable and best solution i.e. SysTools PDF Unlocker Software for the same.

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“I am reviewing a magazine that is downloaded in PDF file format. I want to highlight some important lines in it. But, I have found that Adobe Acrobat highlight tool not working. It does not give me permissions to highlight text in PDF files. Does anyone know how to enable highlight option in Adobe Reader?”

Why Users Can’t Highlight PDF in Adobe Reader?

adobe acrobat highlight tool not working

There are many situations where users are unable to use highlight text in PDF or add comments on it. Some of the most common cases are discussed below:

(a) A Scanned PDF document containing no real text: When Adobe acrobat highlight tool is not working, then it is possible that your PDF file is likely a scanned file that containing no any real text.

(b) Secured or protected document: The security settings of the PDF document clearly restrict you to add the comment on PDF document. In this setting, the author or distributor of the PDF file does not allow you to add comments to it.

(c) Encrypted PDF document: If some security settings such as password or certificate are added on a PDF file, then the PDF document becomes encrypted, which restrict to make any changes on PDF file. Thus, users can’t highlight PDF in Adobe reader to encrypted PDF documents.

enable highlight option in adobe reader

How to Enable Highlight Option in Adobe Reader?

Two methods can be followed when Adobe Acrobat highlight tool not working. These are:

1- Online method

2- Offline method

Online Solution: When users can’t highlight PDF in Adobe Reader they can use an online solution. There are several online methods available but most of the tools have various limitations, so these are not widely used. The online methods work fine, but these are inaccessible in case of poor or unstable internet connection. Takes the long time to remove security and enable highlighting in PDF, which may result in data loss. With the help of an online solution, you can work with only one PDF file at a time. The main problem with online tools is that you have to upload your confidential or crucial data on the server. It is a quite risky task as there are chances of data hack.

Offline Solution: As it is discussed above, there are many limitations with online tools. Thus, to overcome all these problems, users are looking for a reliable solution. Moreover, sometimes users don’t know how to enable highlight option in Adobe Reader either because of technical issue or due to any other reason. Therefore, to deal with such problems, one can use PDF Security Unlock software. It is a simple and reliable application that is available on the internet and can be easily installed on your system. This tool is very useful to fix the issue can’t highlight PDF in Adobe Reader. By this utility, users can remove restrictions from PDF which helps them to add comments and highlight text on the PDF. This offline software is compatible to work with both Windows and Mac platform. Moreover, there are many more advantages integrated with this application and its features.

Now, in order to enable highlight text in PDF documents follow the below steps:

  • At first, install and run the software

install

  • Then, add PDF file to the software for eliminating the restrictions from it

browse

  • Now, the tool will display the permission status of the PDF file

show permissions

  • Finally, click on Unlock PDF button & enable highlight text in PDF

enable highlight in pdf

Wrapping Up

In this blog, we have discussed how to enable highlight option in Adobe Reader. Along with this reasons due to which users can’t highlight PDF in Adobe Reader is also covered. We have also mentioned both online and offline solution which can be easily used when the user is unable to use highlight text in PDF. As, online tools have some limitations, so it is recommended to use the effective professional tool.