Where can i draw er diagram efficiently?

Question

I'm drawing ER on MS Words for now please suggest a better package or software.

Answer 1

Use Visio instead. MS makes it, but it may be separate from their office suite.

https://products.office.com/en-us/visio/flowchart-software?tab=tabs-1

^Has all of the tools you need to effectively make er diagrams, among other flow charts.