Solve the problem with linq C#

i have a class
 public class CloudFileVersion
    {
        public int FileVersionID { get; set; }
        public int CloudFileID { get; set; }
        public string FileName { get; set; }
        public string DestinationPath { get; set; }
        public string FileDate { get; set; }
        public long FileSize { get; set; }
        public string CreationDate { get; set; }
        public int PlanID { get; set; }
        public string CloudFileName { get; set; }
        
    }

List<CloudFileVersion> objFileVersionlst

iam looping to find old file
int deleteDays=10;
foreach (var veritem in objFileVersionlst)
{
	DateTime dtver = DateTime.ParseExact(veritem.FileDate, "yyyyMMddhhmmss", CultureInfo.InvariantCulture);
	int ActualDays = (int)(DateTime.Now.ToUniversalTime() - dtver).TotalDays;

 if ( ActualDays >= deleteDays)
{
	//delete the file
}

}