Sometimes temporarily clearing the cache in your browser is all you need to do to make sure your able to access your Office 365 account or to speed up your browser-- also helpful with Office 365.
What is a browser cache? It is the memory in your browser that temporarily stores images, scripts, and other parts of websites you visit in order to speed up your browsing-- but if you have a lot of windows and tabs open it can use up your memory and slow you down! Be careful though! If you clear your cache it will delete the things you have saved but aren't using any more. Be sure you aren't using them any more!
The main browser you will most likely use on an iPad of an iPhone is Safari. Apple has a helpful article sampled below, head the the original for more information:
Clear the history and cookies from Safari on your iPhone, iPad, or iPod touch
Learn how to delete your history, cookies, and cache using the Settings app.
Delete history, cache, and cookies
Here's how to clear information from your device:
- To clear your history and cookies, tap Settings > Safari > Clear History and Website Data. Clearing your history, cookies, and browsing data from Safari won't change your AutoFill information.
- To remove other stored information, tap Settings > Safari > Advanced > Website Data > Remove All Website Data.
- To visit sites without leaving a history, turn private browsing on or off.
When there's no history or website data to clear, the setting turns gray. The setting might also be gray if parental controls are set for websites. To check your settings, go to Settings > General > Restrictions, then scroll to Allowed Content.