Sets to True the Bold property of the Font object contained in the Range object

 
Sub bold()
    range("A1").font.bold = True
End Sub

1.	Format current region
2.	The Font property
3.	Use the Range and Cells properties of the Worksheet object to return a Range object.
4.	The Interior property:changes the Color property of the Interior object contained in the Range object:
5.	Specify colors with VBA's RGB function.
6.	Formatting Range: HorizontalAlignment, VerticalAlignment, MergeCells
7.	Formatting Range: Font
8.	Changes font to bold
9.	Changes color of numbers < 100
10.	Set the color for whole range
11.	Change range border style
12.	Change range border color
13.	Providing Dynamic Scaling to Your Worksheets
14.	Strolling Through the Color Palette
15.	Line style: xlContinuous
16.	Line style: xlDash
17.	Line style: xlDashDot
18.	Line style: xlDashDotDot
19.	Line style: xlDot
20.	Line style: xlDouble
21.	Line style: xlLineStyleNone
22.	Line style: xlSlantDashDot
23.	Using the Interior Object to Alter the Background of a Range
24.	Set the underline, color and font name
25.	Make column headings bold
26.	Add & format totals
27.	Format date on report
28.	Widen first column to display text
29.	Make text in first column bold

Sets to True the Bold property of the Font object contained in the Range object : Range Format « Excel « VBA / Excel / Access / Word