First things first, to create a digital signature, you must have a signing certificate, which proves identity and verifies the authenticity of the document. So, when you send a digitally signed file ...

Microsoft's Office programs have powerful options for creating and editing documents as well as protecting those documents. You can add passwords, configure ...

To insert multiple rows in Excel, first highlight the number of rows you want to add. Then, right-click the selected rows and click Insert in the context menu. You can also add a row in Excel by right ...