You can lock cells in Excel by heading into the program's "Protection" tab. There, you can set a password, and protect your ...

Microsoft Excel lets you embed content from other applications, including PDF files. You can embed a PDF file into a cell of an Excel worksheet and then use Excel's security features to lock the ...

I have had a request to protect some documents that are being uploaded to Dropbox to attempt to automate hiding and locking specific columns of all historical excel documents.

You've created an important or confidential file in Microsoft Word or Excel, and you want to keep it private or at least secure. Perhaps you want to make sure that only you and certain people can read ...

I have a simple spreadsheet with 15 columns and ~200 rows. At some point when doing a custom sort on it, one of the columns was not selected, therefore destroying the relationship of the data. Excel ...