If you work a lot in Excel, you’ve no doubt experienced losing a file due to forgetting to save it. If you’ve done a lot of work in Excel on a single project, only to have closed the file without ...

If you accidentally closed an Office document without saving it, or maybe a Word document you've been working on crashed, don't panic. By default, Office applications automatically save temporary ...

Jake Peterson is Lifehacker’s Senior Technology Editor. He has a BFA in Film & TV from NYU, where he specialized in writing. Jake has been helping people with their technology professionally since ...

Q. Help! I have been working on a very important Excel file for a client, and suddenly my computer locked up and says, “Excel is not responding.” Is there anything I can do so that I don’t lose all of ...

Have you ever lost a Word document due to an unexpected PC crash? Just this week, I experienced this firsthand. Hours of work vanished when my document disappeared. I didn’t panic, though, because my ...

Accidentally deleting files can lead to nightmarish scenarios. Even if files are deleted on purpose, there still may be a reason you’ll need to recover a past draft or version of a file. Thankfully, ...

Most of us have experienced that moment when you delete a file only realize you need it back. Here's how to know when you can get that file back and how to do so. If you're unsure whether you ...

We’ve all done it before — moved a file into the Recycle Bin, and then pressed the Empty Trash button. Later, we found out that that was an important file that you needed to keep, but now it’s gone ...

You open your hard drive to access an important presentation, only to find it missing. Suddenly, hours of work seem lost, and ...