Practical Excel & Power BI Learning Resources

When connecting data in Power BI, you may come across terms like Import, DirectQuery, Dual, Hybrid, Direct Lake, and Live Connection. At first, they can sound like six different ways of doing the same thing. But they actually solve different problems. Some determine how Power BI stores or accesses data. Some combine multiple storage behaviors. And Live Connection is slightly different again—it describes how a report connects to an existing semantic model. So how do you know w

Excel suddenly showing numbers instead of letters? If your Excel suddenly looks like this: Columns are numbers (1, 2, 3…) instead of letters (A, B, C…) Cell references show R1C1 instead of A1 Don’t worry — your Excel is not broken. It may have switched to Excel R1C1 reference style. ⚡ Quick Fix (Back to Normal in Seconds) To switch Excel back to A1 style: Go to File Click Options Select Formulas Uncheck “R1C1 reference style” Click OK ✅ Your Excel will go back to normal immed