Is it possible to set time & date stamp to show on photos on my Olympus FE-270???

The camera stores the date and time (and a lot more) with every image in what's called the EXIF data. Any competent photo viewer on your computer should be able to show you some or all of this data. If you want the date printed, that's up to your printing program. Depending on the program (and printer), you can have the date printed on the image, in the margin, or on the back. Please refer to the documentation for the program.

The FE-280 will not deface your photos by scrawling digits across them. However, the data is stored with each file. Just about any photo viewer should be able to show you this data. Depending on the program and printer, you can print the date on the image, in the margins, or on the back. Refer to the documentation for whatever program you're using to print. If you print directly from the camera, the instructions are in the "Printing pictures" section of the Advanced Manual (page 29 in my copy).

The date and time (and a lot more) are stored with every picture in its EXIF metadata. Any photo viewing/editing program should be able to display this data. To print this data, please consult the documentation for whatever program you're using to print your pictures. Depending on the program and printer you may print the date on the image, in the margins, or on the back.

In order to imprint the date stamp on photos, the photo size (L, M1, M2, M3, S, Postcard) must be set to Postcard, and in the recording menu the "Date Stamp" option must be set to Date or Date & Time.

By default Olympus cameras do not print the date on the images when they are downloaded to a PC. Olympus does not include this functionality because they feel that it detracts from image quality. There is a function of the camera called print order that you can set that it will print the date on the images but this is only if you take the card to a photo processing store. However if you use the Olympus Master software and print the images that you have previously transferred there is a check box in the print setting window that you can add the date and or time to the printed image.

By default Olympus cameras do not print the date on the images when they are downloaded to a PC. Olympus does not include this functionality because they feel that it detracts from image quality. There is a function of the camera called print order that you can set that it will print the date on the images but this is only if you take the card to a photo processing store. However if you use the Olympus Master software and print the images that you have previously transferred there is a check box in the print setting window that you can add the date and or time to the printed image.

Unfortunately the camera nor the software can put date/time on photos. Do a search for date stamp photo or Irfanview software

Do a search for photo time date software. Irfanview does have that ability and it is free.

FE 280 does not have the option of printing datetime stamp on the photos. As it will affect the resolution they did not provide this option.

Well, not really a solution. More like clarification.
Olympus does not provide a date/time stamp on pics taken with this camera (f310/x840), so, no solution, just knowledge....