Larger excel files hogging processor/memory

Hi - we have 3 or 4 excel files that are on the larger side (about 10mb each) that contain formulas, macros, and some pictures, that use a crazy amount of memory and processor when they're open, and being modified. The files reside on a terminal services server with 5 Xeon processors, and 40gb of RAM. There are 25 people in the company, and when everyone is logged on, and one person opens and makes changes to these files, the performance drops quite a bit, and everyone feels it. In what I've seen, when its being modified, it could be using the equivalent to 1 processor, and about 1.5gb of memory. Any Excel Pros have any suggestions or ideas on why this could be happening, and what to do to minimize the impact? Your help is much appreciated.
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Are people opening the workbooks for data entry or data analysis?
Have you done any network analysis on what is happening 'across the wire' when the sheets are being opened?...being updated?
What version of Excel?  Since you're sharing, you should be using Office365 (or a Google Doc equivalent).

My first guess would be that this is a configuration problem.

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hodgemAuthor Commented:
Hi - sorry for the delay - they are opening for data entry, not analysis - we have done some network analysis, and the network is not affected. Being this is on a terminal services server, when opening and modifying these larger excel files, the users are affected by the heavy processor utilization, and it slows everyone else down. The version of excel is 2016.
I think you should consider using separate workbooks for each classification/owner of the data.  Then consolidate the data into the report/analysis workbook.
hodgemAuthor Commented:
I ended up turning off the "hardware acceleration" option/feature in Excel, and performance is much better.
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Microsoft Excel

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