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Buying a used iPhone or iPad can save us a ton of money, but if this used device doesn't have the Activation Lock disabled, you may find that it has been linked to an iCloud account and at that point you can no longer contact the original owner and the device is stuck in the Activation Lock screen. Unlocking the Activation Lock without your initial Apple ID can be a difficult challenge and in this article we will share valuable solutions on how to remove Activation Lock without previous owner of the device and answer all your questions about the Activation Lock. Part 1: What is Activation Lock The Activation Lock feature, also known as "ID Lock", is a security feature that prevents others from stealing your iPhone, iPad and other devices if they are lost or stolen. When you reset or restore your iPhone without turning off Find My iPhone, the device will remain stuck on the activation lock screen and will not work properly without the correct login details of the original...

Excel as one of the main software of Microsoft Office, its main function is to organize data and statistics. In our daily life and work, Excel is widely used, so the security of the important data existing in Excel files is a matter of concern, how to prevent the contents of Excel from being viewed at will? A common method is to encrypt Excel files , so after encrypting Excel, how to decrypt it? In this article, we will guide you on how to encrypt and decrypt Excel files. Option 1：How to Encrypt Excel File by microsoft office Part1：How to Encrypt Excel File by microsoft office Step 1: Open the Excel file that needs to be encrypted and click the " File " option in the upper left corner. Step 2: After entering the file management function, click on " Info ", then select the option " Protect workbook " in the Information column, click on the option and a drop-down menu will appear, in the menu bar you will see "Click on it, then enter and confirm your ...