Recently I ran into an issue where editing a Word document was painfully slow. Every time I typed a letter it was followed by an unbearable lag. Typing a sentence would sputter in dribs and drabs. This was not going to work.
The document in question was stored in SharePoint Online. I was using the Sync feature for easy access from my local computer.
The fix was actually quite simple.
Fix Slow Document Editing
Check the bottom-right of your Word document. If you see something that says Updates Available click it. If successful the Updates Available notice will disappear and Word will perform at its normal speed.
If you hover over Updates Available before you click it, you will see a description of what is actually going on.[Read more…] about Slow Document Editing when using SharePoint Sync