Olives, jarred (green with pimento)

Unopened: 3 years
Opened: 3 months

Olive oil

2 years from manufacture date (After this time, color or flavor may be affected, but product is still generally safe to consume.)

Peanuts

Unopened: 1 to 2 years unless frozen or refrigerated
Opened: 1 to 2 weeks in airtight container

Peanut butter, natural

9 months

Peanut butter, processed (Jif)

Unopened: 2 years
Opened: 6 months; refrigerate after 3 months

Pickles

Unopened: 18 months
Opened: No conclusive data. Discard if slippery or excessively soft.

Protein bars (PowerBars)

Unopened: 10 to 12 months. Check "best by" date on the package.

Rice, white

2 years from date on box or date of purchase

Salad dressing, bottled

Unopened: 12 months after "best by" date
Opened: 9 months refrigerated

Soda, regular

Unopened: In cans or glass bottles, 9 months from "best by" date
Opened: Doesn't spoil, but taste is affected

Steak sauce

33 months (After this time, color or flavor may be affected, but product is still generally safe to consume.)

Tabasco

5 years, stored in a cool, dry place

Tea bags (Lipton)

Use within 2 years of opening the package

Tuna, canned

Unopened: 1 year from purchase date
Opened: 3 to 4 days, not stored in can

Soy sauce, bottled

Unopened: 2 years
Opened: 3 months (After this time, color or flavor may be affected, but product is still generally safe to consume.)

Vinegar

42 months

Wine (red, white)

Unopened: 3 years from vintage date; 20 to 100 years for fine wines
Opened: 1 week refrigerated and corked

Worcestershire sauce

Unopened: 5 to 10 years (After this time, color or flavor may be affected, but product is still generally safe to consume.)
Opened: 2 years

For more information, see:

How to Protect Your Produce
How to Save an Open Bottle of Wine