A family of Microsoft relational database management systems designed for ease of use.
Shea Walls,
First, try selecting all tasks and then go to Task > Editing group > Clear > Clear formatting.
If that doesn't reset everything go to Format > Format group > Text Styles. If I remember correctly the default font is Calibri for "all" (Item to change).
Chances are the previous "artist" also had fun with the Gantt Bars. It's a bit tedious but the only way I know to reset Gantt Bars is to double click on each bar that looks "customized" and hit "Reset" in the Format Bar window that pops up.
If you really want to do a mass reset, you could reset the Project Global file. First find the active Global and move it to the trash (after closing Project). Then re-start Project. A new default Global will be created. Note, not only will you lose any custom formatting but you will also lose any custom views, view tables, filters, etc.
Hope this helps.
john