If you want to convert the old Word document into the latest Word format, you have three methods to do so: Using the Word app Compatibility Mode Using the ‘Save As’ option Via Word Online.

If the text box won't resize in Word or Excel, check if the document is opened in the Compatibility Mode, and convert it to a newer format.

How to Disable Office 2007 Compatibility Mode. If your company is using Office 2007 and you open a file from a previous version, such as Word 2003, the file will open in Compatibility Mode. This ...