Step-by-step Guide: recover deleted PDF files.
Step 1: Download Recover My Files and install it to your computer.
Install the software and then Launch it. Click Recover menu to start to recover task, Then Choose the file search type in window popped up.
Note:There are four files search types: Fast File Search, Complete File Search, Fast Format Recover and Complete Format Recover. You can choose one acrooding to your needs.
Step 2:Select the driver to search.
Recover My Files wizard screen performs a scan to identify the devices (hard drives, digital camera, USB drive etc) that are connected to your computer. This process need some seconds.
Select the drive/s you wish to search by using your mouse to place a green tick 
in the box next to the device name. In the screen capture below, we are searching C:\ Recycler and D:\My Documents:
Press the Next button and start to search lost files.
Step 3: Select the file types to recover.
Select the types of files that you wish to recover. A File Type is selected by clicking and placing a tick in the checkbox next to its name. Use the "+" drop down menu indicator to show all File Types.
Note:The number of file types selected will directly impact the speed of the search. We suggest you select between 1 and 10 file types for
any given search. MP3 and Text file types will slow the search down the most. Do a separate search for these file types.
Once you have selected the PDF file types, click Start to start the search.
Step 4: Running the search .
The search is started and the progress bar will display the number of files found, the elapsed time and proportion of search remaining like this.
Note:You can press the "Stop" button to stop the search anytime. If stopped before completion, Recover My Files will show the files found up until the point at which the search was stopped. It is possible to preview recoved files as the search is in progress. Move the progress bar window to get access to the results window.
Step 5: Save the found files.
Choose the file you want to recover, and click Save Files to recover deleted PDF files.
This guide is on recover deleted PDF files, Now you must know how to recover other types files. Recover My Files is a data recovery program that will recover: Files and Folders emptied from the Recycle Bin. Files and Folders deleted using DOS commands (via the command line). Drives that have been accidentally re-formatted - even after a new operating system has been installed. Drives where the drive letter can no longer be accessed via Explorer or My ComputerDigital camera storage cards which have been formatted or from which photos have been deleted.
Price:$69.95
How to recover deleted PDF(Portable Document Format) files? Your PC may suffer virus and system crumble that made your PDF files destroyed or lost. what you could do to recover deleted PDF files totally and stored in the safe place? Even sometime after we restart our computer, we find that some important information or files disappear without trace. 
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