It usually occurs when the file is downloaded from a not-so-popular vendor. You can ignore this warning without worrying much. However, if you wish to disable Open File – Security Warning ...
When you upload your iPhone or iPad photos to a Windows computer, they're uploaded as HEIC files. But because Microsoft's OS isn't naturally compatible with HEIC files, discovering how to open HEIC ...
1. Open a web browser and navigate to Google Docs. 2. Open the document that you want to download. 3. Select File from the toolbar. 4. Navigate to Download. A sub-menu with a list of available ...
The problem is twofold: readers need to download a .zip file and expand it, then choose to open one of the EPUBs in iBooks for iPhone or iPad. The main issue is that Safari seems to do nothing when ...