Is your i Phone, i Pad or i Pod touch stuffed to the gills with cruft, making it problematic for daily use? Have you already been greeted with a “Storage Almost Full – You can manage your storage in Settings” message? And as if that weren’t enough, various caches, temporary files, logs and pretty much everything else in your ‘Other’ storage can be really difficult to manage.
You cannot delete these system caches manually as i OS automatically removes them when it needs more space.feature described here is at this point highly discouraged; it’s in the process of being removed from the Web platform. In fact as of Firefox 44, when App Cache is used to provide offline support for a page a warning message is now displayed in the console advising developers to use Service workers instead (bug 1204581).) interface to specify resources that the browser should cache and make available to offline users.Deprecated This feature has been removed from the Web standards.Though some browsers may still support it, it is in the process of being dropped.Force-restarting your device forces i OS to wipe clean its temporary files and purge caches.To perform a force restart, press and hold the Sleep/Wake and Home buttons simultaneously until an Apple logo appears.If you close Google Chrome while your messages are syncing, sync will stop.Any messages you write, archive, label, or delete while you're offline will be sent or moved when you connect to the Internet.When you want to create archives or back up your Outlook folders and items on your computer, such as Exchange accounts, you must create and use additional files.Outlook Data Files (.ost) are used when you have an Exchange account and want to work offline or use or use the default Cached Exchange Mode.