In MS Excel, there is an option of recovering your unsaved files. To do this, open any spreadsheet and go to the File option.There you click the Manage Versions Option as shown below. Click the Recover Unsaved Workbooks.n MS Excel, there is an option of recovering your unsaved files. To do this, open any spreadsheet and go to the File option.
The type of aerial lift has a significant impact on cost. The price range for a used spider lift varies from $15,000 to $65,000 while new lifts range from $25,000 to $115,000.
Others involve high-altitude helicopters, rescue boats and teams of paid employees over the course of several days. Consider that the average cost to power a standard helicopter is about $1,600 per hour and you can see how the costs can mount in a hurry [source: Sharples].