220-1202: CompTIA A+ Core 2 (V15) Certification Exam

A spreadsheet that has grown large enough that the application can no longer load it typically means the workstation lacks sufficient memory to process the file into working memory. Adding RAM gives the application the headroom it needs to open and render the full dataset. Reverting to a restore point would sacrifice the very data the user needs, and defragmenting storage or upgrading network speed has no bearing on an application's ability to load a file into memory.