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What is a file extension?

Tweet Follow me Tweet #computertraining Tweet to @support We received an urgent call from a client who had been sent an image from a friend but they were not able to view the photograph. The customer told us that the image file was a white icon with a name and when they double clicked it an error message appeared asking what programme should be used to open the file. After travelling to the customer’s home we saw that the image was missing a crucial piece of information that tells the computer what type of file it is. This information is what is shown to the right...
Contact Jackie for online Zoom and Microsoft Teams training!