Thanks to ever-growing hard-drive capacities and ever-faster network connections, compressing files isn’t quite the vital and frequent task it used to be. Still, it’s useful in certain situations; for ...

Panic mode activated – you’re sending an important folder of pictures via email but the files are too large to send. Or maybe it’s your computer storage that’s the issue, but you just can’t seem to ...

If you need to open a file with the rar extension on your Mac, there's a handy app called The Unarchiver that can help you do just that. Rar files are commonly used to extract a huge amount of data — ...

Zip files are incredibly useful for sharing data over email, cloud storage and on a USB stick. They let you group files together, be they documents, images or audio files. And as zip files typically ...

Ever download a folder full of files, only to notice all of the documents inside are zipped shut and encrypted—basically the digital version of Fort Knox? These are examples of the ever-wonderful, yet ...

Written by Ron Lyons, Jr. A ZIP file is a convenient way of giving your computer or phone some extra space when you're close to reaching its storage limits. Zipped files compress the data of photos, ...

Use Preview: Open the PDF in Preview, click File > Export, select “Reduce File Size” under Quartz Filter, and save. Use ColorSync Utility: Open the PDF in ColorSync Utility, click File > Export, ...

Apple uses a new HEIC photo format to compress images taken with its iPhone, and here we’ll show you both how to open HEIC files on your Mac and convert HEIC to JPEG. Since iOS 11, Apple has used the ...