1 The precise answer to the question “How long does a cooked roast of beef last?” depends to a large extent on storage conditions — refrigerate roast beef within two hours of cooking.
http://stilltasty.com/fooditems/index/16498
1 The best way is to smell and look at the roast beef: signs of bad roast beef are a sour smell and a slimy texture to the cooked roast beef; discard any roast beef with an off smell or appearance, do not taste the roast beef first.
http://stilltasty.com/fooditems/index/16498
Only about 3 to 4 days if it is raw. Then 1 to 2 days longer if cooked and placed in an airtight container. You should always … cover meats when stored in the fridge.
http://www.answers.com/Q/How_long_is_cooked_beef_good_in_the_fridge
1 How long does a cooked roast of beef last at room temperature? 2  Bacteria grow rapidly at temperatures between 40 °F and 140 °F; cooked roast beef should be discarded if left for more than 2 hours at room temperature.
http://stilltasty.com/fooditems/index/16498
Depending on the temperature of your refrigerator about a week is safe. You should keep some white medical tape handy and mark leftovers with the date on them, and use a … refigerator thermometer to adjust the temperature so it remains about 38 to 42 degrees farenheit.
http://www.answers.com/Q/How_long_is_cooked_beef_good_in_the_fridge
Next. So I cooked a 7lbs pot roast (the only one in stock-I would have preferred smaller)...but it's only for me-and I'm not a fat person, nor do I desire to be one...so I have A LOT of leftovers...how long can I keep them in the fridge for sandwiches etc...and can I freeze the rest-I really don't want...
https://answers.yahoo.com/question/index?qid=20100130132757AAUUBeG
1 How long does cooked roast beef last in the freezer for safety purposes? 2  The freezer time shown is for best quality only — foods kept constantly frozen at 0° F will keep safe indefinitely.
http://stilltasty.com/fooditems/index/16498
1 To further extend the shelf life of cooked roast beef, freeze it; freeze in covered airtight containers or heavy-duty freezer bags, or wrap tightly with heavy-duty aluminum foil or freezer wrap.
http://stilltasty.com/fooditems/index/16498
Food safety websites say 3-4 days. That's assuming that the ground  beef was well cooked (no pink), and refrigerated shortly after  cooking (not after sitting out for hours) … , and reasonably clean (no  double-dipping or touching with hands, which would put saliva/hand  bacteria on the meat).
http://www.answers.com/Q/How_long_is_cooked_beef_good_in_the_fridge
Confidence votes 30.7K. Meats are kept better in the freezer. Meats can be kept in the refrigerator for 3 to 4 days if raw and 1 to 2 days longer if cooked. Always place cooked meats in an airtight container.
http://www.answers.com/Q/How_long_is_cooked_beef_good_in_the_fridge
how long is roast beef good for after cooked
Roast beef is good for 3 to 4 days after cooked. After cooked, a roast beef is good for 3 to 4 days.