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How to protect a pdf file

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How to protect a pdf file

Many times we create pdf files that we don’t want anyone to be able to edit, copy, or even print. But how to achieve this if you want to allow users to open it without problem? You just have to protect it against copying, editing and printing, which fortunately is very easy. You could do it with original Adobe software, but it is also possible to use free and open-source software. How do you do it? we tell you how to protect a pdf file.

Steps to follow:

1. One of the best options to protect a pdf is to do it with OpenOffice, the free version of Microsoft’s Office suite. You can download it for free at http://www.openoffice.org/download/index.html. Choose your version, download and install it following the instructions.

2. Open OpenOffice. Go to File> Open and open the file you want to protect. It may already be in PDF format or it may still be a text file.

3. Click File> Export PDF … A PDF Options window will open. Go to the ” Security ” tab.

4. You will see that at the bottom of the “Security” tab there are several options to limit the permissions of the PDF, but that you cannot change them. To do this, you must first establish a password. Click on ” Set passwords “.

5. The first password is so that only people with the key can open the file. The second, the one that interests us, so that only people who know that code can make changes. Enter a password, confirm it, and click “OK.”

6. Now you can edit and configure the permissions. Put them to your liking and click “Export”.

7. Enter the file name you want for the protected PDF and click “Save.” You already finished! Now if you want you can open the PDF to check that if you want to copy, edit or print it asks for a password. And if you want to know how to unprotect a PDF, in this article we will explain it to you.

If you want to read more articles similar to How to protect a pdf file, we recommend that you enter our How-To category.

How-To

How to Measure Distance on Google Maps for PC and Android

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How to Measure Distance on Google Maps for PC and Android

How to measure distance on Google Maps can be done with easy and simple steps.

What’s the point of measuring distances on Google Maps? Lots. Say you want to know how far from one point to another. Or, the distance from your house to a certain point. Or, from one city to another, and so on.

In fact, Google Maps already provides this feature. Users can measure distance in a straight line between 2 cities. Well, here’s how to measure distance on Google Maps:

  1. On your computer, open Google Maps.
  2. Right-click on your starting point.
  3. Select Measure.
  4. To create a measurement path, click anywhere on the map. To add another point, click anywhere on the map.
  5. At the bottom, you can choose the distance in kilometres (km).

Tip: to move a point or path, click and drag. To delete a point, click it. When you’re done, on the card at the bottom, click Close.

So, to measure distances on Google Maps using an Android phone, do this:

  1. On your Android phone or tablet, open the Google Maps app.
  2. Touch and hold anywhere on the map that is not a place name or icon. A red pin will appear.
  3. Select Measure/Measure distance.
  4. Move the map so that the black circle is at the next point you want to add.
  5. At the bottom right, touch Add point Plus.
  6. At the bottom, you can change the total distance to kilometres (km).

Users can add multiple points/dots. To remove the last bullet added, tap Undo. To delete all dots, at the top right, tap More, then Delete. When you’re done, tap the back arrow at the top left.

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How-To

How to Clear Cache on a Xiaomi cellphone, so that your cellphone remains responsive!

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How to Clear Cache on a Xiaomi cellphone

How to clear the cache on a Xiaomi cellphone will prevent your cellphone’s performance from decreasing, you know, guys. This way, the performance on your cellphone will be maintained because the cache is often cleaned.

In addition to preventing a decrease in performance, cache cleaning can also make the performance of Hp Xiaomi more responsive because there is no garbage left on your phone.

Here are more Guys, you can also do deleting the cache on your cellphone to make your cellphone’s storage space more spacious and prevent the application from not responding.

But unfortunately, there are still many who do not know how to clean it. In fact, this method is quite easy to do.

So, so that you don’t have a match, you can refer to the following tutorial, because our team will provide steps to clear cache for Xiaomi users.

So, this is it!

HOW TO CLEAR CACHE ON XIAOMI PHONES

  • The first step, open the Settings menu on your cellphone.
  • Then, select the Storage menu
  • Scroll down until you find the Clean menu . If you have found it, then select the menu.
  • Finally, tap Clean .
  • Then automatically all the trash on your Xiaomi cellphone will be deleted.

Finished! Now, all the trash and cache on your cellphone has been deleted. To maintain the performance of your cellphone, then you have to clean it regularly, guys.

Good luck!

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How-To

How to Create ZIP or RAR Files on Android

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How to Create ZIP or RAR Files on Android

ZIP and RAR are a type of compression file that is available on a computer or smartphone. ZIP and RAR formats you can summarize a file in which there are several kinds of folders and media can be combined into one section.

Creating ZIP and RAR files can now not only be done with computers, but now using Android phones you can also create ZIP and RAR files with the help of additional applications.

By archiving or compressing files into ZIP and RAR forms, the main function is to put many files into one folder and packaged in one file only. Another function is to be able to reduce the file size because the process has been compressed and utilized so as to produce a smaller size.

How to Create and Open ZIP or RAR Files on Android

Roshal Archive (WinRAR) or RAR is a type of extension that is used for compressed archives of files. RAR files contain several compressed files. By turning the file into RAR, the file size will be smaller.

While the Zoning Improvement Plan or ZIP is a type of extension that is quite popular for use as a compressed file of a document. ZIP format also makes the file size smaller.

Currently, there are many similar applications that function to compress files or extract files on Android phones, one of which is the RARLAB application. Today I will explain how to compress files or extract files using the RARLAB application. Creating ZIP and RAR files using the RAR application is also very easy. You can download the application on the Google Play Store.

  1. First, you must have the RARLAB application on your Android phone first, you can download it on the Google Play Store.
  2. After you finish installing the RARLAB application, you can open the RARLAB application on your smartphone.
  3. Then select the file folder where the documents where your files are stored.
  4. Then select the file that you want to make into a file with a .zip or .rar extension.
  5. After that select the file and select Archive with the plus icon at the top.
  6. In the Archiving Options, you can create a file name, set the location of the file storage after being archived, choose the type of file extension, and set a password for your file extension. Then click OK to save the created file into a file with a .zip or .rar extension.
  7. Wait a few moments until the file archiving process is complete.

In addition to creating ZIP and RAR files, in this RARLAB application, you can also open files with .zip and .rar extensions. Here’s how.

1. Select the file with the .zip or .rar extension that you want to open, then select Extract with the arrow icon at the top.

2. In the extraction options, you can choose where to save the file after extraction, then select OK.

3. After that, you can see that the file with the .zip or .rar extension can be opened.

The RARLAB application can also be used to create RAR and ZIP files while extracting can be used for files with RAR, ZIP, TAR, GZ, BZ2, XZ, 7z, ISO, and ARJ formats.

That’s how to create files with .zip or .rar extensions and how to extract files with .zip or .rar extensions on Android phones using the RARLAB additional application. Hopefully, the above method can help those of you who are confused about compressing or extracting ZIP and RAR files.

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