Hi everyone, i currently have a problem with undo function in my word. i have tried to find a solution, but nothing is work. can anyone help?

Are you using Endnote? Could this be causing a problem? I find the undo function on word doesn't work if I've just done something involving Endnote (e.g., adding a citation, deleting a citation moving or deleting a passage of text that included citations).

yes, i use endnote. i think the undo function doesn't work probably cause by endnote. do you know how to solve the problem?

Turn off CWYW, and format the document when you are finished.

thank you. but how to Turn off CWYW?

To some extent dependant on what version of each you are using; but try:

For Word 2011 > Tools > EndNote X4 > Format Bibliography >From the Format Bibliography window select the Instant Formatting tab > Turn Off > OK