DjVu files were developed by AT&T in the mid-1990s to provide files of high-resolution images and text without the cumbersome file size of a normal high-resolution image file. It is a rare file format so that how to use it becomes an important question. Here is the instruction tell you how to convert Djvu files to PDF with IrfanView. IrfanView is a fast and compact image viewer/converter. The interface of IrfanView is clear and intuitive, which makes it easy with use for beginners and powerful for professionals.

1. Download and install IrfanViewfrom here:

http://www.filepuma.com/download/irfanview_4.38-6077/

2. Download and install IrfanView’s plugins from here:

www.irfanview.net

You’d better download the *.exe file of all plugins at once.

3. Run IrfanView and open the DjVu file you want to convert to a PDF format.

4. Click on “File” > “Save As” from top menu. Choose “PDF” from the file type dropdown menu. Choose a location to save your PDF file..

Skype is software that enables you to make free calls anywhere in the world. Skype uses P2P (peer-to-peer) technology to connect you with other users. It offers several features, including SkypeOut calling from Skype to regular and mobile phones worldwide, conference calling, and secure file transferring. Here is the instruction to tell you how to incorporate slides in Skype.

1. Download and install Skype from here:

http://www.filepuma.com/download/skype_7.1.0.105-8046/

2. Run Skype and select the person you want to show the slideshow to from your contacts list.

3. Click the “Call” button.

4. Get ready your slideshow. Click the “+” button at the bottom of the screen to start the slideshow.

5. Select “Share Screens” and click “Start” when asked whether you should start sharing your screen.

6. Now your contact could see every action on your screen. Start your slideshow.

7. Click “Stop Sharing” at the top right corner of the screen to end the screen-sharing.

Microsoft Excel is a great program which can let you arrange data in a spreadsheet easily and quickly. However, it can be quite annoying to edit all the text to be capitalized. Is there any short cut for us to operate this? Here is the instruction to tell you how to convert the text automatically.

1. Open your spreadsheet with Excel.

2. Identify the area of the spreadsheet you want to capitalize. Write down the coordinates of the top left cell.

3. Scroll to the right blank and then select an empty cell.

4. Enter the following formula in the cell:

=PROPER(“the coordinates of the top left cell you just wrote down”)

Click “Enter” to confirm.

5. Select the cell and click the small square in the bottom right corner of the cell, drag down until all the spreadsheet you want to edit.

6. Click the small square again and drag to the right until all the spreadsheet you want to edit.

7. Hold “Ctrl+C” to copy the formatted text. Go back to the area that contains your original text, right click and select “Paste Special” and then click “Values” to paste the formatted text over the original one.

8. Delete the group of cells you used to generate the formatted text.